Works by Ema, Ryoichi

Results: 20

Muscle Shear Moduli Changes and Frequency of Alternate Muscle Activity of Plantar Flexor Synergists Induced by Prolonged Low-Level Contraction.

Published in:

Frontiers in Physiology, 2017, p. 1, doi. 10.3389/fphys.2017.00708

By:

Ryota Akagi;
Takahito Fukui;
Masato Kubota;
Masashi Nakamura;
Ryoichi Ema

Publication type:

Article

Association between elastography-assessed muscle mechanical properties and high-speed dynamic performance.

Published in:

European Journal of Sport Science, 2023, v. 23, n. 7, p. 1233, doi. 10.1080/17461391.2022.2097129

By:

Ema, Ryoichi

Publication type:

Article

Inter- and intramuscular differences in training-induced hypertrophy of the quadriceps femoris: association with muscle activation during the first training session.

Published in:

Clinical Physiology & Functional Imaging, 2017, v. 37, n. 4, p. 405, doi. 10.1111/cpf.12318

By:

Wakahara, Taku;
Ema, Ryoichi;
Miyamoto, Naokazu;
Kawakami, Yasuo

Publication type:

Article

Non-uniform muscle oxygenation despite uniform neuromuscular activity within the vastus lateralis during fatiguing heavy resistance exercise.

Published in:

Clinical Physiology & Functional Imaging, 2013, v. 33, n. 6, p. 463, doi. 10.1111/cpf.12054

By:

Miyamoto, Naokazu;
Wakahara, Taku;
Ema, Ryoichi;
Kawakami, Yasuo

Publication type:

Article

In vivo measurement of human rectus femoris architecture by ultrasonography: validity and applicability.

Published in:

Clinical Physiology & Functional Imaging, 2013, v. 33, n. 4, p. 267, doi. 10.1111/cpf.12023

By:

Ema, Ryoichi;
Wakahara, Taku;
Mogi, Yasuyoshi;
Miyamoto, Naokazu;
Komatsu, Toshihiko;
Kanehisa, Hiroaki;
Kawakami, Yasuo

Publication type:

Article

Muscle length influence on rectus femoris damage and protective effect in knee extensor eccentric exercise.

Published in:

Scandinavian Journal of Medicine & Science in Sports (John Wiley & Sons, Inc.), 2021, v. 31, n. 3, p. 597, doi. 10.1111/sms.13890

By:

Ema, Ryoichi;
Nosaka, Kazunori;
Kawashima, Ryosuke;
Kanda, Akihiro;
Ikeda, Koya;
Akagi, Ryota

Publication type:

Article

Effect of prolonged vibration to synergistic and antagonistic muscles on the rectus femoris activation during multi-joint exercises.

Published in:

2017

By:

Ema, Ryoichi;
Takayama, Hirokazu;
Miyamoto, Naokazu;
Akagi, Ryota

Publication type:

journal article

Unique activation of the quadriceps femoris during single- and multi-joint exercises.

Published in:

2016

By:

Ema, Ryoichi;
Sakaguchi, Masanori;
Akagi, Ryota;
Kawakami, Yasuo

Publication type:

journal article

Increase in vastus lateralis aponeurosis width induced by resistance training: implications for a hypertrophic model of pennate muscle.

Published in:

European Journal of Applied Physiology, 2015, v. 115, n. 2, p. 309, doi. 10.1007/s00421-014-3012-9

By:

Wakahara, Taku;
Ema, Ryoichi;
Miyamoto, Naokazu;
Kawakami, Yasuo

Publication type:

Article

Inhomogeneous architectural changes of the quadriceps femoris induced by resistance training.

Published in:

European Journal of Applied Physiology, 2013, v. 113, n. 11, p. 2691, doi. 10.1007/s00421-013-2700-1

By:

Ema, Ryoichi;
Wakahara, Taku;
Miyamoto, Naokazu;
Kanehisa, Hiroaki;
Kawakami, Yasuo

Publication type:

Article

Sex difference in fatigability of knee extensor muscles during sustained low-level contractions.

Published in:

Scientific Reports, 2019, v. 9, n. 1, p. N.PAG, doi. 10.1038/s41598-019-53375-z

By:

Akagi, Ryota;
Sato, Shinya;
Yoshihara, Kana;
Ishimatsu, Hideki;
Ema, Ryoichi

Publication type:

Article

Association between interindividual variability in training volume and strength gain.

Published in:

Frontiers in Physiology, 2022, v. 13, p. 1, doi. 10.3389/fphys.2022.983478

By:

Ryoichi Ema;
Itaru Saito;
Ryota Akagi

Publication type:

Article

Muscle Damage Indicated by Maximal Voluntary Contraction Strength Changes From Immediately to 1 Day After Eccentric Exercise of the Knee Extensors.

Published in:

Frontiers in Physiology, 2021, v. 12, p. 1, doi. 10.3389/fphys.2021.775157

By:

Shoji, Mikio;
Ema, Ryoichi;
Nosaka, Kazunori;
Kanda, Akihiro;
Hirata, Kosuke;
Akagi, Ryota

Publication type:

Article

Effect of knee alignment on the quadriceps femoris muscularity: Cross-sectional comparison of trained versus untrained individuals in both sexes.

Published in:

PLoS ONE, 2017, v. 12, n. 8, p. 1, doi. 10.1371/journal.pone.0183148

By:

Ema, Ryoichi;
Wakahara, Taku;
Hirayama, Kuniaki;
Kawakami, Yasuo

Publication type:

Article

Anatomical cross-sectional area of the quadriceps femoris and sit-to-stand test score in middle-aged and elderly population: development of a predictive equation.

Published in:

Journal of Physiological Anthropology, 2016, v. 36, p. 1, doi. 10.1186/s40101-016-0099-1

By:

Akira Saito;
Ryoichi Ema;
Takayuki Inami;
Sumiaki Maeo;
Shun Otsuka;
Mitsuru Higuchi;
Shigenobu Shibata;
Yasuo Kawakami

Publication type:

Article

Association between rapid force production by the plantar flexors and balance performance in elderly men and women.

Published in:

Age (0161-9152), 2016, v. 38, n. 5/6, p. 475, doi. 10.1007/s11357-016-9949-3

By:

Ema, Ryoichi;
Saito, Megumi;
Ohki, Shunsuke;
Takayama, Hirokazu;
Yamada, Yosuke;
Akagi, Ryota

Publication type:

Article

Age-Related Differences in the Effect of Prolonged Vibration on Maximal and Rapid Force Production and Balance Ability.

Published in:

Frontiers in Physiology, 2020, v. 11, p. N.PAG, doi. 10.3389/fphys.2020.598996

By:

Ema, Ryoichi;
Kanda, Akihiro;
Shoji, Mikio;
Iida, Natsuki;
Akagi, Ryota

Publication type:

Article

Eight-Week Low-Intensity Squat Training at Slow Speed Simultaneously Improves Knee and Hip Flexion and Extension Strength.

Published in:

Frontiers in Physiology, 2020, v. 11, p. 1, doi. 10.3389/fphys.2020.00893

By:

Akagi, Ryota;
Sato, Shinya;
Hirata, Naoya;
Imaizumi, Naoto;
Tanimoto, Hiroki;
Ando, Ryosuke;
Ema, Ryoichi;
Hirata, Kosuke

Publication type:

Article

Effects of sex and joint action on voluntary activation.

Published in:

PeerJ, 2018, p. 1, doi. 10.7717/peerj.5968

By:

Ryoichi Ema;
Momoka Suzuki;
Emi Kawaguchi;
Itaru Saito;
Ryota Akagi

Publication type:

Article

Plyometric Training Favors Optimizing Muscle-Tendon Behavior during Depth Jumping.

Published in:

Frontiers in Physiology, 2017, v. 8, p. 1, doi. 10.3389/fphys.2017.00016

By:

Kuniaki Hirayama;
Soichiro Iwanuma;
Naoki Ikeda;
Ayumi Yoshikawa;
Ryoichi Ema;
Yasuo Kawakami;
Franchi, Martino V.;
Fouré, Alexandre

Publication type:

Article