Search Results - "AKAGI, Ryota"

Acute Effect of Static Stretching on Hardness of the Gastrocnemius Muscle by AKAGI, RYOTA, TAKAHASHI, HIDEYUKI

“…PURPOSEThe objective of this study is to investigate the acute effects of static stretching (SS) on muscle hardness of the gastrocnemius medialis (MG) and…”
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Associations between Range of Motion and Tissue Stiffness in Young and Older People by HIRATA, KOSUKE, YAMADERA, RYOSUKE, AKAGI, RYOTA

“…PURPOSEThe purpose of this study was to investigate differences in the associations between passive ankle dorsiflexion range of motion (ROM) and stiffness of…”
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Can Static Stretching Reduce Stiffness of the Triceps Surae in Older Men? by HIRATA, KOSUKE, YAMADERA, RYOSUKE, AKAGI, RYOTA

“…PURPOSEThe purpose of this study was to investigate reductions of muscle stiffness induced by static stretching in older and younger men. METHODSTwenty older…”
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Comparison Between Neck and Shoulder Stiffness Determined by Shear Wave Ultrasound Elastography and a Muscle Hardness Meter by Akagi, Ryota, Kusama, Saki

“…Abstract The goals of this study were to compare neck and shoulder stiffness values determined by shear wave ultrasound elastography with those obtained with a…”
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Differential changes in muscle architecture and neuromuscular fatigability induced by isometric resistance training at short and long muscle-tendon unit lengths by Akagi, Ryota, Hinks, Avery, Power, Geoffrey A

“…We evaluated the effects of differential muscle architectural adaptations on neuromuscular fatigue resistance. Seven young males and six females participated…”
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Contribution of muscle stiffness of the triceps surae to passive ankle joint stiffness in young and older adults by Hirata, Kosuke, Akagi, Ryota

“…This study aimed to investigate whether triceps surae muscle stiffness is associated with passive ankle joint stiffness in 40 young (21-24 years) and older…”
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Unique activation of the quadriceps femoris during single- and multi-joint exercises by Ema, Ryoichi, Sakaguchi, Masanori, Akagi, Ryota, Kawakami, Yasuo

“…Purpose This study aimed to examine whether muscle activation of the quadriceps femoris differs between single- and multi-joint exercises, and to explore the…”
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Reliability and validity of quantifying absolute muscle hardness using ultrasound elastography by Chino, Kentaro, Akagi, Ryota, Dohi, Michiko, Fukashiro, Senshi, Takahashi, Hideyuki

“…Muscle hardness is a mechanical property that represents transverse muscle stiffness. A quantitative method that uses ultrasound elastography for quantifying…”
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Does the combination of different pitches and the absence of pitch type information influence timing control during batting in baseball? by Kidokoro, Shuji, Matsuzaki, Yuji, Akagi, Ryota

“…Baseball pitchers use various pitch types to reduce hitting accuracy, but little is understood of the practical strategy of using visuomotor skills and timing…”
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Association between interindividual variability in training volume and strength gain by Ema, Ryoichi, Saito, Itaru, Akagi, Ryota

“…This study aimed to examine the association between interindividual variability in strength changes and in training volume. A total of 26 untrained men…”
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Effect of calf-raise training on rapid force production and balance ability in elderly men by Ema, Ryoichi, Ohki, Shunsuke, Takayama, Hirokazu, Kobayashi, Yuji, Akagi, Ryota

“…This study examined whether home-based, high-speed calf-raise training changes the rate of torque development (RTD) during plantar flexion contractions and…”
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Acceptable timing error at ball-bat impact for different pitches and its implications for baseball skills by Kidokoro, Shuji, Matsuzaki, Yuji, Akagi, Ryota

“…•Acceptable timing error in baseball hitting is about 10 ms.•The acceptable timing error decreased of 3 ms as the ball speed increased by 10 m/s.•Temporal…”
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Muscle length influence on rectus femoris damage and protective effect in knee extensor eccentric exercise by Ema, Ryoichi, Nosaka, Kazunori, Kawashima, Ryosuke, Kanda, Akihiro, Ikeda, Koya, Akagi, Ryota

“…This study tested the hypothesis that the magnitude of rectus femoris (RF) damage and the repeated bout effect (RBE) would be greater after knee extensor…”
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Sex difference in fatigability of knee extensor muscles during sustained low-level contractions by Akagi, Ryota, Sato, Shinya, Yoshihara, Kana, Ishimatsu, Hideki, Ema, Ryoichi

“…This study investigated whether the sex difference in fatigability of the knee extensors (KE) is explained by the sex difference in fatigue-induced changes in…”
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Relationship between resting medial gastrocnemius stiffness and drop jump performance by Ando, Ryosuke, Sato, Shinya, Hirata, Naoya, Tanimoto, Hiroki, Imaizumi, Naoto, Suzuki, Yasuhiro, Hirata, Kosuke, Akagi, Ryota

“…Although the influence of the series elastic element of the muscle–tendon unit on jump performance has been investigated, the corresponding effect of the…”
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Muscle hardness of the triceps brachii before and after a resistance exercise session: a shear wave ultrasound elastography study by Akagi, Ryota, Tanaka, Jun, Shikiba, Tomofumi, Takahashi, Hideyuki

“…Muscle hardness indicates muscle condition, and its measurement before and after resistance exercise is essential for preventing resistance training-induced…”
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Effects of three-dimension movie visual fatigue on cognitive performance and brain activity by Akagi, Ryota, Sato, Hiroki, Hirayama, Tatsuya, Hirata, Kosuke, Kokubu, Masahiro, Ando, Soichi

“…To further develop three-dimensional (3D) applications, it is important to elucidate the negative effects of 3D applications on the human body and mind. Thus,…”
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Can phase angle from bioelectrical impedance analysis associate with neuromuscular properties of the knee extensors? by Hirata, Kosuke, Ito, Mari, Nomura, Yuta, Yoshida, Tsukasa, Yamada, Yosuke, Akagi, Ryota

“…Maintenance and improvement of neuromuscular functions is crucial for everyone regardless of age. An easy way to assess neuromuscular properties without muscle…”
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Home-based resistance training performed at either fast or slow speeds improves power output in older adults by Hirata, Kosuke, Ito, Mari, Nomura, Yuta, Kawashima, Chiho, Yoshida, Tsukasa, Yamada, Yosuke, Tillin, Neale A., Power, Geoffrey A., Akagi, Ryota

“…We investigated the effect of an unsupervised, body mass- home-based resistance training program in older adults performed at either a fast or slow contractile…”
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Muscle size-strength relationship including ultrasonographic echo intensity and voluntary activation level of a muscle group by Akagi, Ryota, Suzuki, Momoka, Kawaguchi, Emi, Miyamoto, Naokazu, Yamada, Yosuke, Ema, Ryoichi

“…•Voluntary activation results in a closer muscle size-strength relationship.•Muscle size is more closely related to muscle strength when using echo…”
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