年別の研究成果
年別の研究成果
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Acceptable timing error at ball-bat impact for different pitches and its implications for baseball skills
Kidokoro, S., Matsuzaki, Y. & Akagi, R., 2019 8月 1, In: Human Movement Science. 66, p. 554-563 10 p.研究成果: Article › 査読
6 被引用数 (Scopus) -
Active recovery has a positive and acute effect on recovery from fatigue induced by repeated maximal voluntary contractions of the plantar flexors
Akagi, R., Imaizumi, N., Sato, S., Hirata, N., Tanimoto, H. & Hirata, K., 2020 2月, In: Journal of Electromyography and Kinesiology. 50, 102384.研究成果: Article › 査読
Open Access3 被引用数 (Scopus) -
Acute effect of static stretching on hardness of the gastrocnemius muscle
Akagi, R. & Takahashi, H., 2013 7月, In: Medicine and Science in Sports and Exercise. 45, 7, p. 1348-1354 7 p.研究成果: Article › 査読
94 被引用数 (Scopus) -
Age-related differences in muscle shear moduli in the lower extremity
Akagi, R., Yamashita, Y. & Ueyasu, Y., 2015 11月, In: Ultrasound in Medicine and Biology. 41, 11, p. 2906-2912 7 p.研究成果: Article › 査読
52 被引用数 (Scopus) -
Age-Related Differences in the Effect of Prolonged Vibration on Maximal and Rapid Force Production and Balance Ability
Ema, R., Kanda, A., Shoji, M., Iida, N. & Akagi, R., 2020 10月 29, In: Frontiers in Physiology. 11, 598996.研究成果: Article › 査読
Open Access3 被引用数 (Scopus) -
Applicability of ultrasound muscle thickness measurements for predicting fat-free mass in elderly population
Takai, Y., Ohta, M., Akagi, R., Kato, E., Wakahara, T., Kawakami, Y., Fukunaga, T. & Kanehisa, H., 2014 6月, In: Journal of Nutrition, Health and Aging. 18, 6, p. 579-585 7 p.研究成果: Article › 査読
50 被引用数 (Scopus) -
A six-week resistance training program does not change shear modulus of the triceps brachii
Akagi, R., Shikiba, T., Tanaka, J. & Takahashi, H., 2016 8月, In: Journal of Applied Biomechanics. 32, 4, p. 373-378 6 p.研究成果: Article › 査読
19 被引用数 (Scopus) -
Association between contraction-induced increases in elbow flexor muscle thickness and distal biceps brachii tendon moment arm depends on the muscle thickness measurement site
Akagi, R., Iwanuma, S., Hashizume, S., Kanehisa, H., Yanai, T. & Kawakami, Y., 2014 2月, In: Journal of Applied Biomechanics. 30, 1, p. 134-139 6 p.研究成果: Article › 査読
4 被引用数 (Scopus) -
Association between rapid force production by the plantar flexors and balance performance in elderly men and women
Ema, R., Saito, M., Ohki, S., Takayama, H., Yamada, Y. & Akagi, R., 2016 12月 1, In: Age. 38, 5-6, p. 475-483 9 p.研究成果: Article › 査読
32 被引用数 (Scopus) -
Association of age-related decrease in intracellular-to-total water ratio with that in explosive strength of the plantar flexors: a cross-sectional study
Hirata, K., Iida, N., Kanda, A., Shoji, M., Yoshida, T., Yamada, Y. & Akagi, R., 2022 12月, In: Journal of Physiological Anthropology. 41, 1, 10.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Associations between Range of Motion and Tissue Stiffness in Young and Older People
Hirata, K., Yamadera, R. & Akagi, R., 2020 10月 1, In: Medicine and Science in Sports and Exercise. 52, 10, p. 2179-2188 10 p.研究成果: Article › 査読
Open Access17 被引用数 (Scopus) -
Calculation of force and power during bench throws using a smith machine: The importance of considering the effect of counterweights
Kobayashi, Y., Narazaki, K., Akagi, R., Nakagaki, K., Kawamori, N. & Ohta, K., 2013, In: International Journal of Sports Medicine. 34, 9, p. 820-824 5 p.研究成果: Article › 査読
2 被引用数 (Scopus) -
Can a Short-term Daily Oral Administration of Propolis Improve Muscle Fatigue and Recovery?
Tsuchiya, Y., Hirata, N., Asama, T., Osakabe, N., Hirata, K. & Akagi, R., 2022, (Accepted/In press) In: International Journal of Sports Medicine.研究成果: Article › 査読
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Can Static Stretching Reduce Stiffness of the Triceps Surae in Older Men?
Hirata, K., Yamadera, R. & Akagi, R., 2020 3月 1, In: Medicine and Science in Sports and Exercise. 52, 3, p. 673-679 7 p.研究成果: Article › 査読
11 被引用数 (Scopus) -
Carbon dioxide hydrate as a recovery tool after fatigue of the plantar flexors
Hirata, K., Tanimoto, H., Sato, S., Hirata, N., Imaizumi, N., Sugihara, Y., Murakami, H. & Akagi, R., 2020 7月 17, In: Journal of Biomechanics. 108, 109900.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Comparison Between Neck and Shoulder Stiffness Determined by Shear Wave Ultrasound Elastography and a Muscle Hardness Meter
Akagi, R. & Kusama, S., 2015 8月 1, In: Ultrasound in Medicine and Biology. 41, 8, p. 2266-2271 6 p.研究成果: Article › 査読
30 被引用数 (Scopus) -
Determination of contraction-induced changes in elbow flexor cross-sectional area for evaluating muscle size-strength relationship during contraction
Akagi, R., Iwanuma, S., Hashizume, S., Kanehisa, H., Fukunaga, T. & Kawakami, Y., 2015 6月 5, In: Journal of Strength and Conditioning Research. 29, 6, p. 1741-1747 7 p.研究成果: Article › 査読
5 被引用数 (Scopus) -
Development of an equation to predict muscle volume of elbow flexors for men and women with a wide range of age
Akagi, R., Takai, Y., Kato, E., Wakahara, T., Ohta, M., Kanehisa, H., Fukunaga, T. & Kawakami, Y., 2010 3月, In: European Journal of Applied Physiology. 108, 4, p. 689-694 6 p.研究成果: Article › 査読
19 被引用数 (Scopus) -
Differential contributions of fatigue-induced strength loss and slowing of angular velocity to power loss following repeated maximal shortening contractions
Akagi, R., Hinks, A., Davidson, B. & Power, G. A., 2020 2月 1, In: Physiological reports. 8, 3, e14362.研究成果: Article › 査読
Open Access5 被引用数 (Scopus) -
Does the combination of different pitches and the absence of pitch type information influence timing control during batting in baseball?
Kidokoro, S., Matsuzaki, Y. & Akagi, R., 2020, In: PLoS ONE. 15, 3, e0230385.研究成果: Article › 査読
Open Access1 被引用数 (Scopus) -
Effect of a 5-week static stretching program on hardness of the gastrocnemius muscle
Akagi, R. & Takahashi, H., 2014 12月 1, In: Scandinavian Journal of Medicine and Science in Sports. 24, 6, p. 950-957 8 p.研究成果: Article › 査読
73 被引用数 (Scopus) -
Effect of acute eye fatigue on cognition for young females: A pilot study
Akagi, R., Tonotsuka, M., Horie, R., Hirata, K. & Ando, S., 2019, In: PeerJ. 2019, 10, p. 1V e7978.研究成果: Article › 査読
Open Access3 被引用数 (Scopus) -
Effect of calf-raise training on rapid force production and balance ability in elderly men
Ema, R., Ohki, S., Takayama, H., Kobayashi, Y. & Akagi, R., 2017, In: Journal of Applied Physiology. 123, 2, p. 424-433 10 p.研究成果: Article › 査読
Open Access14 被引用数 (Scopus) -
Effect of prolonged vibration to synergistic and antagonistic muscles on the rectus femoris activation during multi-joint exercises
Ema, R., Takayama, H., Miyamoto, N. & Akagi, R., 2017 10月 1, In: European Journal of Applied Physiology. 117, 10, p. 2109-2118 10 p.研究成果: Article › 査読
4 被引用数 (Scopus) -
Effects of 4 Weeks of Explosive-type Strength Training for the Plantar Flexors on the Rate of Torque Development and Postural Stability in Elderly Individuals
Kobayashi, Y., Ueyasu, Y., Yamashita, Y. & Akagi, R., 2016 6月 1, In: International Journal of Sports Medicine. 37, 6, p. 470-475 6 p.研究成果: Article › 査読
11 被引用数 (Scopus) -
Effects of sex and joint action on voluntary activation
Ema, R., Suzuki, M., Kawaguchi, E., Saito, I. & Akagi, R., 2018, In: PeerJ. 2018, 11, e5968.研究成果: Article › 査読
Open Access6 被引用数 (Scopus) -
Eight-Week Low-Intensity Squat Training at Slow Speed Simultaneously Improves Knee and Hip Flexion and Extension Strength
Akagi, R., Sato, S., Hirata, N., Imaizumi, N., Tanimoto, H., Ando, R., Ema, R. & Hirata, K., 2020 7月 24, In: Frontiers in Physiology. 11, 893.研究成果: Article › 査読
Open Access5 被引用数 (Scopus) -
Establishing a new index of muscle cross-sectional area and its relationship with isometric muscle strength
Akagi, R., Kanehisa, H., Kawakami, Y. & Fukunaga, T., 2008 1月, In: Journal of Strength and Conditioning Research. 22, 1, p. 82-87 6 p.研究成果: Article › 査読
55 被引用数 (Scopus) -
Influence of isometric training at short and long muscle-tendon unit lengths on the history dependence of force
Hinks, A., Davidson, B., Akagi, R. & Power, G. A., 2021 2月, In: Scandinavian Journal of Medicine and Science in Sports. 31, 2, p. 325-338 14 p.研究成果: Article › 査読
6 被引用数 (Scopus) -
In vivo determination of the Achilles tendon moment arm in three-dimensions
Hashizume, S., Iwanuma, S., Akagi, R., Kanehisa, H., Kawakami, Y. & Yanai, T., 2012 1月 10, In: Journal of Biomechanics. 45, 2, p. 409-413 5 p.研究成果: Article › 査読
35 被引用数 (Scopus) -
In vivo measurements of moment arm lengths of three elbow flexors at rest and during isometric contractions
Akagi, R., Iwanuma, S., Hashizume, S., Kanehisa, H., Yanai, T. & Kawakami, Y., 2012 2月, In: Journal of Applied Biomechanics. 28, 1, p. 63-69 7 p.研究成果: Article › 査読
9 被引用数 (Scopus) -
Longitudinal and transverse deformation of human Achilles tendon induced by isometric plantar flexion at different intensities
Iwanuma, S., Akagi, R., Kurihara, T., Ikegawa, S., Kanehisa, H., Fukunaga, T. & Kawakami, Y., 2011 6月, In: Journal of Applied Physiology. 110, 6, p. 1615-1621 7 p.研究成果: Article › 査読
35 被引用数 (Scopus) -
Measurement of muscle architecture concurrently with muscle hardness using ultrasound strain elastography
Chino, K., Akagi, R., Dohi, M. & Takahashi, H., 2014 9月, In: Acta Radiologica. 55, 7, p. 833-839 7 p.研究成果: Article › 査読
17 被引用数 (Scopus) -
Membrane capacitance and characteristic frequency are associated with contractile properties of skeletal muscle
Yamada, Y., Hirata, K., Iida, N., Kanda, A., Shoji, M., Yoshida, T., Myachi, M. & Akagi, R., 2022 8月, In: Medical Engineering and Physics. 106, 103832.研究成果: Article › 査読
Open Access -
Methodological issues related to thickness-based muscle size evaluation
Akagi, R., Iwanuma, S., Fukuoka, M., Kanehisa, H., Fukunaga, T. & Kawakami, Y., 2011, In: Journal of Physiological Anthropology. 30, 4, p. 169-174 6 p.研究成果: Article › 査読
6 被引用数 (Scopus) -
Muscle Damage Indicated by Maximal Voluntary Contraction Strength Changes From Immediately to 1 Day After Eccentric Exercise of the Knee Extensors
Shoji, M., Ema, R., Nosaka, K., Kanda, A., Hirata, K. & Akagi, R., 2021 11月 17, In: Frontiers in Physiology. 12, 775157.研究成果: Article › 査読
Open Access -
Muscle hardness of the triceps brachii before and after a resistance exercise session: A shear wave ultrasound elastography study
Akagi, R., Tanaka, J., Shikiba, T. & Takahashi, H., 2015 12月 1, In: Acta Radiologica. 56, 12, p. 1487-1493 7 p.研究成果: Article › 査読
27 被引用数 (Scopus) -
Muscle length influence on rectus femoris damage and protective effect in knee extensor eccentric exercise
Ema, R., Nosaka, K., Kawashima, R., Kanda, A., Ikeda, K. & Akagi, R., 2021 3月, In: Scandinavian Journal of Medicine and Science in Sports. 31, 3, p. 597-609 13 p.研究成果: Article › 査読
Open Access5 被引用数 (Scopus) -
Muscle shear moduli changes and frequency of alternate muscle activity of plantar flexor synergists induced by prolonged low-level contraction
Akagi, R., Fukui, T., Kubota, M., Nakamura, M. & Ema, R., 2017 9月 20, In: Frontiers in Physiology. 8, SEP, 708.研究成果: Article › 査読
10 被引用数 (Scopus) -
Muscle size-strength relationship including ultrasonographic echo intensity and voluntary activation level of a muscle group
Akagi, R., Suzuki, M., Kawaguchi, E., Miyamoto, N., Yamada, Y. & Ema, R., 2018 3月, In: Archives of Gerontology and Geriatrics. 75, p. 185-190 6 p.研究成果: Article › 査読
21 被引用数 (Scopus) -
Muscle strength and size balances between reciprocal muscle groups in the thigh and lower leg for young men
Akagi, R., Tohdoh, Y. & Takahashi, H., 2012, In: International Journal of Sports Medicine. 33, 5, p. 386-389 4 p.研究成果: Article › 査読
11 被引用数 (Scopus) -
Muscle volume compared to cross-sectional area is more appropriate for evaluating muscle strength in young and elderly individuals
Akagi, R., Takai, Y., Ohta, M., Kanehisa, H., Kawakami, Y. & Fukunaga, T., 2009, In: Age and Ageing. 38, 5, p. 564-569 6 p.研究成果: Article › 査読
107 被引用数 (Scopus) -
Neuromuscular adaptations induced by adjacent joint training
Ema, R., Saito, I. & Akagi, R., 2018 3月, In: Scandinavian Journal of Medicine and Science in Sports. 28, 3, p. 947-960 14 p.研究成果: Article › 査読
15 被引用数 (Scopus) -
Plantar flexor strength at different knee positions in older and young males and females
Ema, R., Kawaguchi, E., Suzuki, M. & Akagi, R., 2020 12月, In: Experimental Gerontology. 142, 111148.研究成果: Article › 査読
Open Access4 被引用数 (Scopus) -
Power attenuation from restricting range of motion is minimized in subjects with fast RTD and following isometric training
Davidson, B., Hinks, A., Dalton, B. H., Akagi, R. & Power, G. A., 2022 2月, In: Journal of Applied Physiology. 132, 2, p. 497-510 14 p.研究成果: Article › 査読
1 被引用数 (Scopus) -
Relationship Between Drop Jump Training–Induced Changes in Passive Plantar Flexor Stiffness and Explosive Performance
Ando, R., Sato, S., Hirata, N., Tanimoto, H., Imaizumi, N., Suzuki, Y., Hirata, K. & Akagi, R., 2021 11月 18, In: Frontiers in Physiology. 12, 777268.研究成果: Article › 査読
Open Access -
Relationship between resting medial gastrocnemius stiffness and drop jump performance
Ando, R., Sato, S., Hirata, N., Tanimoto, H., Imaizumi, N., Suzuki, Y., Hirata, K. & Akagi, R., 2021 6月, In: Journal of Electromyography and Kinesiology. 58, 102549.研究成果: Article › 査読
5 被引用数 (Scopus) -
Relationship of pectoralis major muscle size with bench press and bench throw performances
Akagi, R., Tohdoh, Y., Hirayama, K. & Kobayashi, Y., 2014 6月, In: Journal of Strength and Conditioning Research. 28, 6, p. 1778-1782 5 p.研究成果: Article › 査読
9 被引用数 (Scopus) -
Relationships between muscle size and hardness of the medial gastrocnemius at different ankle joint angles in young men
Akagi, R., Chino, K., Dohi, M. & Takahashi, H., 2012 4月, In: Acta Radiologica. 53, 3, p. 307-311 5 p.研究成果: Article › 査読
33 被引用数 (Scopus) -
Relationships between muscle strength and indices of muascle cross-sectional area determined during maximal voluntary contraction in middle-aged and elderly individuals
Akagi, R., Tarai, Y., Kato, E., Fukuda, M., Wakahara, T., Ohta, M., Kanehisa, H., Kawakami, Y. & Fukunaga, T., 2009 7月, In: Journal of Strength and Conditioning Research. 23, 4, p. 1258-1262 5 p.研究成果: Article › 査読
18 被引用数 (Scopus)