著者

藤田 善也 石毛 勇介 吉岡 伸輔 竹田 正樹

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.59, no.1, pp.275-282, 2014 (Released:2014-06-13)

参考文献数

10

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The purpose of this study was to evaluate the relationships between race performance and cycle characteristics in a 10-km classic-style men's cross-country ski competition. The subjects were competitors in the 89th Japan National Ski Championships. Skiing motions of the subjects on flat stretches (1.5 km and 6.5 km) and uphill slopes (1.7 km and 6.7 km) were videotaped using two high-speed cameras. Cycle characteristics were calculated based on measurement of hip displacement and cycle time. It was revealed that elite competitors (1) performed at high velocity at all measurement points, (2) reduced their velocity in the last half of the race, (3) achieved a high velocity in double poling and diagonal stride, (4) increased their cycle length and cycle rate when employing the double poling technique, and (5) increased their cycle length when employing the diagonal stride technique.

著者

永田 晟 飯塚 鉄雄 日丸 哲也 唐津 邦利

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.12, no.5, pp.203, 1968-07-05 (Released:2016-12-31)

著者

杉崎 弘周 物部 博文 上地 勝 藤原 昌太 山田 浩平 沢田 真喜子 森 良一 横嶋 剛 植田 誠治

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.66, pp.623-630, 2021 (Released:2021-09-18)

参考文献数

25

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This study aimed to clarify the problems related to students’ health and safety at school and identify teachers’ needs for learning in a teacher training course by conducting a survey for yogo teachers who were experts in school health and safety. Except for training courses for yogo teachers or health and physical education teachers, there are no compulsory subjects regarding problems related to student health and safety at school. Moreover, previous reports have indicated that general teachers found it difficult to deal with topics related to student health and safety. We surveyed 2,992 yogo teachers randomly selected from across the country and 1,196 responses were received (response rate 40. 0%). The results indicated that mental care, first aid, and developmental disabilities accounted for more than 80% of the problems experienced by yogo teachers related to student health and safety. It was also suggested that the number of years of experience was related to problem perception. Among the topics that needed to be learned at the teacher preparation stage, cardiopulmonary resuscitation, developmental disorders, mental care, allergies, heat stroke, and use of an EpiPen accounted for a high proportion, while chronic diseases, eating disorders, cooperation with other staff (for safety), and orthostatic dysregulation accounted for a low proportion. The present results need to be considered when developing training content required for incumbent teachers and novice teachers, and when discussing the subjects required for teacher training courses. This would also help teachers to respond effectively to problems related to student health and safety at school.

著者

沼津 直樹 藤井 範久 小井土 正亮

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.64, no.2, pp.647-664, 2019-12-16 (Released:2019-12-20)

参考文献数

23

被引用文献数

1 1

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The purpose of this study was to clarify the biomechanical characteristics of soccer goalkeepers (GKs) diving for shots placed distantly from the GK. Fifteen collegiate male GKs and 13 collegiate male outfield players acting as strikers participated. The experimental situation involved shooting from inside the penalty area. The strikers were instructed to execute an instep kick placing the ball 16.5 m away from the GK after pushing the ball forward. The GKs were instructed to dive with a preparatory motion toward the shot ball. Three-dimensional coordinate data for the strikers and GKs were captured using 2 motion capture systems – one with 16 cameras for the GKs and the other with 8 cameras for the strikers (250Hz). The systems were synchronized with an analog signal via an A/D converter (1000 Hz) and input to a computer. The shooting areas were divided into 12 (i.e. 2 shooting directions to the right and left sides of the GKs, 2 shooting distances close to and far from the GKs, and 3 shot heights, close to the ground, and also at high and medium heights). The strikers were informed of the target shooting area randomly in each trial, and 213 trials in which the GKs dived toward shots placed in the far area were selected. We calculated the velocity of the center of gravity and the joint angles of the lower limbs. The major findings were as follows. 1) Regardless of shooting height, it appeared that the GKs performed almost the same motion until landing because they began to move after determining the diving direction. 2) In order to dive to lower-placed balls, leaning the trunk towards the diving direction was necessary to allow placement of the hand in the lower position. 3) Regardless of shooting height, the side contralateral (CS) to the leg in the diving direction had the same role of achieving movement of the center of gravity in the diving direction. 4) The GKs dived toward lower-placed shots by flexing the knee joint of their CS leg and the hip and knee joints of their ball side (BS) leg before the BS leg touched the ground. 5) The GKs dived towards individual shot heights by appropriately adjusting the posture of their BS leg before the BS leg touched the ground.

著者

岡本 直輝 伊坂 忠夫 藤田 聡

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.57, no.1, pp.225-235, 2012 (Released:2012-06-02)

参考文献数

16

被引用文献数

3 1

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The purpose of the study was to evaluate sprint time during zigzag running among short-distance track and field runners (n=9), long-distance track and field runners (n=10), basketball players (n=13), and soccer players (n=8), and to determine the ability of the various competitive groups to change their running direction. Zigzag running involved weaving through cones arranged along a 15-m line with 4 different intervals between the cones (i.e. 1, 1.5, 2, or 3 m). Also in a separate study, nine subjects performed zigzag running with the above four inter-cone intervals every day for 11 days to determine the interval that was most effective for improving their ability to change direction.   The results indicated that the basketball players had the best ability to change direction during zigzag running using all of the inter-cone intervals, while the short-distance track and field runners were the slowest at 1-m-width and 1.5-m-width zigzag running. Training failed to improve 1-m-width and 1.5-m-width zigzag running, but improved sprint time for the 2-m and 3-m inter-cone intervals (P<0.05).   In conclusion, zigzag running with an inter-cone interval of either 2 m or 3 m can significantly improve the ability of athletes to change direction in order to sidestep opponents, possibly due to the fact that ball game athletes are able to combine both open and closed steps in their running techniques, whereas only open steps are possible for intervals below 2 m.

著者

阿江 数通 小池 関也 川村 卓

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.13067, (Released:2014-07-09)

参考文献数

43

被引用文献数

16 3

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The purpose of this study was to clarify the kinetic features of the upper limbs at different hitting-point heights (high, middle, and low) during baseball tee-batting. Twenty-three collegiate male baseball players (age: 19.8±1.3 yr, height: 1.74±0.04 m, weight: 74.1±6.2 kg, athletic career: 12.0±2.1 yr) participated. Three-dimensional coordinate data were captured using a VICON-MX system (12-camera, 250 Hz), and kinetic data for each hand were collected using an instrumented bat equipped with 28 strain gauges (1000 Hz). Three tee-batting heights were set for each subject based on the upper and lower limits of the strike zone according to the rules of baseball. Kinetic variables for the upper limbs, such as joint torque, joint torque power, and mechanical work, were calculated. The period of forward swing motion was divided into down-swing and level-swing phases. The results are summarized as follows: 1) The extension torque and positive torque power at each individual shoulder joint were significantly greater at the low hitting-point height than at other heights. 2) The positive torque power for extension torque at each individual elbow joint in the last half of the down-swing phase was significantly greater at the low hitting-point height than at other heights. 3) Negative power for adduction/abduction torque at each individual shoulder joint in the level-swing phase was observed at the low hitting-point height. 4) The mechanical work done by joint torque about the flexion/extension and adduction/abduction axes at the shoulder, the flexion/extension axis at the elbow, and the palmar/dorsal flexion and radial/ulnar flexion axes at the wrist showed large and positive values, and differed significantly among hitting-point heights. These results indicate that 1) the flexion/extension torque at each individual shoulder joint contributes greatly to adjustment of the translational movement of the bat in the vertical direction during the down-swing phase, 2) the adduction/abduction torque at each individual shoulder joint exerts a larger proportion of the longitudinal force of the bat to withstand centrifugal force at a low hitting-point height than at other heights in the level swing phase, and 3) consequently, it tends to be more difficult to adjust the bat to the hitting-point at a low height in comparison with other heights.

著者

林 洋輔

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.58, no.2, pp.617-635, 2013 (Released:2013-12-07)

参考文献数

42

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In the present study, an attempt was made to clarify a process of improving bodily movements in the context of physical education, centering on René Descartes' (1596-1650) theory of the passions of the soul. In the study of physical education philosophy, some attempts have been made to reconsider the mind-body relationship proposed by Descartes. To date, however, there has been little discussion about the passion of the soul theory from the viewpoint of an individual's bodily movements. Accordingly, it seems informative to examine a process of changing bodily movements from the philosophical perspective of Descartes.  The passion of desire and wonder, according to Descartes, has a profound influence on bodily movements, because, according to him, if the soul desires anything, the whole body becomes more agile and ready to move than without such desire. Curbing our desire for wonder disposes us to acquire scientific knowledge, thus leading us to achieve a specific aim. So we humans strive to control passion, desire and wonder through reason. Descartes also indicated the effect of habit, which leads us to change our bodily movements. Habits are applied not only in animals, but also humans. Therefore, these should be utilized for changing or improving our bodily movements. In addition, forethought can make our bodily movements more appropriate, because if we take care to be aware of our desire, which is dependent only on us, and seek to gain a goal as a result for it, we can enjoy the passion of joy, which brings pleasant emotion recognized by the soul. Bodily movements can thus change in a series of processes.  More enlightened discussion can ensue by elaborating on Descartes' mind-body theory and the passions of the soul.

著者

久保 正秋

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.17075, (Released:2017-12-08)

参考文献数

56

被引用文献数

3

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This study examined the possibility of regarding Physical Education as “Semantic Generation”. First, the educational theory of Yano was examined, in order to consider the concept of the body. And this study considers the advisable body in the Physical Education as “Semantic Generation”. Second, the special experience of the general physical movement (i.e. “melting into the world”: yokai taiken) was examined. It was argued that the sympathetic and interconnected relationship between one’s own body and that of another (intecorporéité) can give rise to a special experience (yokai taiken). The results of this examination were as follows: 1)Yano claimed that Physical Education was not a means of treating the activity of the body as an educational subject. The body is not a physiological or corporeal object. He considered the living body to have existential identity and that it interacted with the world, and that this type of existence was an essential experience for humans. The body that takes place the special peak experience is hoped in the Physical Education as “Semantic Generation”. 2) The general physical movement of the same body creates a special experience (“melting into the world”: yokai taiken). In the practice of general physical movements, the body schema synchronizes with the movements of others’ bodies. This body schema synchronization represents resonance, sympathy and interaction with the bodies of others: in other words, special experience. 3)The resonant and interactive relationship between an individual body and the bodies of others is known as “intecorporéité”. Behavior matching and interactional synchrony appear in this relationship. This matching and synchrony of bodies deepen interactive mutual understanding. The resonant and interactive movement of the body, for example, creates “the experience of connection by the body”, and this represents the special experience (yokai taiken). 4) Physical Education as “Semantic Generation” can aid in development of educational potential through nurture of the body that creates a special peak experience and resonance, as well as sympathy and interaction with the bodies of others. That is to say, Education in bodily experience of relations between a subject and an object (i.e. “intecorporéité”) is important.

著者

大峰 光博

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.60, no.2, pp.489-495, 2015 (Released:2015-12-18)

参考文献数

25

被引用文献数

5 2

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This study investigated trash talk among soccer players, focusing on whether it actually disturbed playing performance and whether the ability to ignore such trash talk was an asset to the game. The “Laws of the Game” of soccer stipulate that any player who uses “offensive, insulting or abusive language and/or gestures” should be dismissed from the field. Therefore, any penalty imposed on players for such behavior can be interpreted as sanctions for prohibited act.   Furthermore, any game in which offensive or insulting remark are used was considered by reference to Kawatani's opinion about excellence and “failed athletic contest”. When a referee penalizes a player appropriately for such behavior, it is suggested that the game has not “failed”. On the other hand, as such behavior is often difficult for a referee to notice, an appropriate penalty is sometimes not administered. Therefore, it is suggested that an offensive or insulting remark is an act that indirectly destroys the ethos of a game. I conclude that the ability to ignore trash talk is not an asset to the game in principle, but that such ability is practically necessary.

著者

玉井 謙一

出版者

一般社団法人 日本体育学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.6, no.1, 1961

著者

武智 英裕 石渡 俊一

出版者

一般社団法人 日本体育学会

雑誌

体育学研究

巻号頁・発行日

vol.10, no.2, 1966

著者

船渡 裕太 桜井 伸二

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.16085, (Released:2017-11-02)

参考文献数

27

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The purpose of this study was to identify the relationship between take-off motion and jump distance in medium-hill ski jumping. The subjects were 21 ski jumpers (16 males and 5 females, height: 1.65±0.09 m, weight: 54.6±8.9 kg, age: 19.2±6.8 yr) whose take-off phase on a medium-hill (hill size: 68 m) was filmed with two synchronized high-speed video cameras (200 Hz). The take-off motion was analyzed two-dimensionally in the sagittal plane. The results were as follows:  1) The approach velocity and vertical velocity of the jumper's center of gravity at the instant of release were found to be significantly correlated with jump distance (r=0.768, p<0.01; r=0.775, p<0.01), suggesting that these two parameters are as important for medium-hill as for normal-hill ski jumping.  2) Ski jumpers increased their jump distance by moving their trunk forward with knee joint extension during take-off and by reducing the trunk angle at the instant of release from an initial position in which the lower limb joints were deeply flexed.  3) Stepwise multiple regression analysis showed that (1) the hip angle at the initial position, (2) the knee joint angular velocity at the instant of release, and (3) the horizontal velocity of the trunk relative to the feet at the instant of release were the three significant factors, accounting for 82.3% of the jump distance. The importance of knee joint angular velocity at the instant of release has increased following the recent changes in ski jumping technique and regulations.

著者

中山 紗織 會田 宏

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.64, no.1, pp.285-301, 2019-06-17 (Released:2019-06-25)

参考文献数

52

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This study aimed to clarify the philosophy of children’s handball coaches in Japan and Germany in terms of individual player development, content and methods of training, and game performance. In addition, we compared player development and enhancement between top children’s handball teams from Japan (“Hokuden”: coach, Mr. Tanaka) and Germany (“Leipzig”: coach, Mr. Andrä) by interviewing the coaches and analyzing the teams’ game performances. The main results were as follows: 1) While the philosophy of “individual player development” was to let young players acquire basic skills in handball for both Hokuden and Leipzig, differences were found between Mr. Tanaka’s and Mr. Andrä’s approaches, in that mastering skills was important for Mr. Tanaka, whereas gaining a variety of experiences was important for Mr. Andrä. 2) No significant differences were found in the effectiveness of positional attacks (total goals divided by the total number of attacks in a match), effectiveness of shots (total goals divided by the total number of shots in a match), and percentage of technical errors (total technical errors divided by the total number of attacks in a match), suggesting that there are no characteristic outcomes, even though they play under different rules. 3) In Hokuden, individual roles were divided according to each phase of organized attack and defense, and each player tried to fulfill a role as a part the team, whereas in Leipzig, players tried to solve issues in order to score a goal through the entire phase of organized attack and defense by themselves, suggesting that both coaches focused on “individual player development” but with different target images.

著者

谷川 聡 島田 一志 岩井 浩一 尾縣 貢

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.53, no.1, pp.75-85, 2008-06-30 (Released:2008-09-13)

参考文献数

34

被引用文献数

7 1

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Walking, jogging and sprinting occur repeatedly in daily life and also many sports events. The present study was undertaken to clarify whether the different kinematic characteristics of sprinting movements between sprint-skilled athletes and non-athletes are common to the those of walking and running movements. Nine male athletes and eleven untrained male students were asked to perform walking, fast-walking and jogging at set speeds (walking: 1.5 m/s; fast-walking, jogging: 2.4 m/s), and sprinting at maximal speed. Walking, fast-walking and jogging movements were recorded by digital video camera and sprinting movement by high-speed video camera. Kinematic variables obtained from video analysis were compared between two groups and within each group. Double support time of fast-walking and contact time of jogging and sprinting were significantly shorter in athletes. Minimal knee angles in jogging and sprinting were significantly larger, and knee angular displacements and hip angle at left foot contact in fast-walking, jogging and sprinting were significantly smaller in athletes. Touch down distances were significantly shorter in all movements and right hip joint angle was small at right foot contact in fast walking, jogging and sprinting. Leg scissors movement was a characteristic of athletes. During the support phase, non-athletes tended to flex not only the knee joint but also the hip joint at foot contact, while athletes tended to keep on extending hip and knee joints. These results suggest that differences exist between two groups and that there are common characteristics of the movements in each group, which could be technically significant from a coaching viewpoint.

著者

曽我 芳枝

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.67, pp.67-78, 2022 (Released:2022-02-05)

参考文献数

43

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The present study, based on a literature review, was conducted to clarify the role of music in the development of modern physical education in Japan by focusing on the relationship between physical education and musical accompaniment, as exemplified by light gymnastics at the Taiso Denshu Jo (National School of Gymnastics), which were introduced with the aim of establishing modern school physical education. The results obtained were as follows. 1. G.A. Leland and gymnastics instructors believed that performing gymnastics with musical accompaniment would be very effective, based on the gymnastics books “Shinsentaisousyo” and “Shinseitaisouhou”. 2. It appears that Clara Matsuno was actually hired as a part-time employee specializing in gymnastics accompaniment until the Taiso Denshu Jo became attached to the Tokyo Normal School. 3. From the records of the “Ongaku Torishirabe Gakari Jidai Bunshotsuzuri” (Documentary Files on the Research and Musical Educational Institution) held by Tokyo University of the Arts, it seems that Watson's gymnastics book was used at the Taiso Denshu Jo. 4. From the above records, it became clear that G.A. Leland recommended that Japanese samurai descendants should sing exercises songs from an early age in order to strengthen their bodies because of their weak lungs. 5. The above records revealed that tuning repair and rental of gymnastics pianos were often carried out. This suggests that a lot of gymnastics practice was performed with piano accompaniment at the Taiso Denshu Jo.

著者

永見 智行 木村 康宏 彼末 一之 矢内 利政

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.16021, (Released:2016-08-29)

参考文献数

25

被引用文献数

4 5

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In this study, we analyzed the kinematic characteristics of various types of baseball pitches by elite baseball pitchers, and tested a null hypothesis that “no type of pitch has the same kinematic characteristics as another.”  A high-speed video camera was used to record the initial trajectory of the pitched ball thrown by 84 skilled baseball pitchers. Each pitcher was asked to throw all the different types of pitch he would use in competition and practice, and to self-declare the type of pitch used for each throw. The kinematic characteristics of each pitched ball were analyzed as ball speed, the direction of the spin axis, and the spin rate. A custom-made device was used to analyze the direction of the spin axis and the spin rate, and the ball speed was measured with a radar gun. One-way ANOVA with the Games-Howell post hoc test was used to test the hypothesis.  The total of 364 pitches were categorized into 11 self-declared pitch types. Four of 10 pitch types thrown by more than one pitcher - the four-seam fastball, slider, curveball and cutter - had unique kinematic characteristic distinct from all of the other pitch types. No significant differences were found in any of the kinematic parameters between 1) changeup and sinker, 2) forkball and split-fingered fastball, and 3) two-seam fastball and shoot ball. Therefore, the hypothesis was retained for these three pairs of pitch types: although they were kinematically similar, the pitchers categorized them as different types.  When the breaking ball was compared with the four-seam fastball, they were classifiable into three types: 1) pitches with a slower ball speed and lower spin rate with a different direction of spin axis (changeup, sinker, forkball and split-fingered fastball), 2) pitches with a slower ball speed, different direction of the spin axis and a spin rate comparable to the four-seam fastball (slider, curveball and cutter), and 3) pitches with a comparable ball speed, similar spin axis direction, and lower spin rate (two-seam fastball and shoot ball). These data revealed that the kinematic characteristics of some pitch types are quite different from those described in baseball coaching handbooks.

著者

新谷 昴 山崎 博和 杉田 正明

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.21029, (Released:2021-12-14)

著者

村上 祐介

出版者

一般社団法人 日本体育学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.56, no.2, pp.507-522, 2011

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Previous studies have suggested that children with developmental disorders often display clumsiness when attempting tasks that require higher body coordination ability. Long rope skipping is one such activity, but while it is usually difficult for such children, it is also effective for helping develop body coordination ability and fostering cooperative attitudes. Thus, it is important to make the most of the benefits of long rope skipping for children with developmental disorders. However, appropriate teaching methods in this context have not been well established, nor have the developmental levels of jumping movement in long rope skipping been adequately addressed. Accordingly, the purpose of this study was to investigate the developmental levels of jumping movement in long rope skipping for children with developmental disorders.<br> The subjects were five children with developmental disorders who participated once a week in private physical activity sessions. The sessions were conducted by members of a laboratory for adapted physical activity. Specifically, body coordination ability in long rope skipping was evaluated in terms of the number of double bounce movements (jumping twice during one rotation of the rope), the interval of movement, the ground and foot interval, the trunk inclination motion angle, the hip joint flexion motion angle, the knee flexion motion angle, and the number of times that the children jumped with both legs.<br> The results indicated that there were several different movement forms in the five studied children. These forms were classified into five levels: step movement (the first level of long rope skipping movement), side jumping movement (second level), double bounce movement via large jumping movements (third level), double bounce movement via a small movement space (fourth level), and double bounce movement via small jumping movements (fifth level). These findings can be used to devise an effective approach for teaching long rope skipping to children with developmental disorders.<br>

著者

内藤 景 苅山 靖 宮代 賢治 山元 康平 尾縣 貢 谷川 聡

出版者

一般社団法人 日本体育・スポーツ・健康学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

pp.13012, (Released:2013-08-27)

参考文献数

32

被引用文献数

1

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The purpose of this study was to clarify the step characteristics during the acceleration phase (0-30 m) of a 100-m sprint with reference to the step-type of sprinters. Fifty-nine male collegiate sprinters (season best time: 10.68±0.22 s) were recorded running in 100-m races using 10 high-speed video cameras (300 fps). The step variables, such as step-frequency (SF), step-length (SL), contact time, and flight time of each step in the acceleration phase (0-30 m) and maximum speed phase (30-60 m) were calculated. Cluster analysis was used to classify the subjects according to step-type as indicators for the ratio of SF and SL in the 30-60 m section. In addition, each of the step-type groups was divided into two sub-groups (good and poor sprinters) according to the mean speed in the 30-60 m section. The main results were as follows: (1) Sprinters were classifiable into three step-type groups; SL-type (n=22), SF-type (n=24), and Mid-type (n=13). (2) Among these groups, there were no differences in the 100-m race times and mean speeds during the 0-30, 30-60, and 60-100 m sections, although SL-type sprinters were taller and had a higher SLindex than SF-type sprinters. SF-type sprinters took a larger numbers of steps over the 100-m distance and showed a higher SFindex than SL-type and Mid-type sprinters. (3) In the 0-30 m and 30-60 m sections, the contact and flight times of SL-type sprinters were longer than those of SF-type sprinters. (4) In SL-type sprinters, the SF of good sprinters was higher than that of poor sprinters at the 5th step, and the SL of good sprinters was longer than that of poor sprinters from the 7th to 15th steps, and in the 30-60 m section. (5) SF-type sprinters showed no significant differences in the SL, but the SF of good sprinters was higher than that of poor sprinters from the 7th to 16th steps and in the 30-60 m section. These results indicate that there are differences in step characteristics during the acceleration phase according to step-type, and that the step characteristics during the acceleration phase may affect the acceleration ability needed to develop a maximum sprint speed. These findings could be useful for devising training methods for improvement of 100-m sprint performance according to step-type.

著者

伊藤 〓

出版者

一般社団法人 日本体育学会

雑誌

体育学研究 (ISSN:04846710)

巻号頁・発行日

vol.15, no.5, 1971