Mifuyu Kamo
Japan Women's College of Physical Education
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Publication
Featured researches published by Mifuyu Kamo.
Experimental Physiology | 2009
Kohei Sato; Tomoko Sadamoto; Chihoko Ueda-Sasahara; Kenichi Shibuya; Shizuyo Shimizu-Okuyama; Takuya Osada; Mifuyu Kamo; Mitsuru Saito; Atsuko Kagaya
We examined the role of central command in static exercise‐induced increase in middle cerebral artery mean blood flow velocity (VMCA). Eleven young female subjects performed static elbow flexion for 2 min at 30% maximal voluntary contraction without (control exercise; CONT) and with vibrations to the biceps brachii tendon (EX+VIB) in order to reduce the effort needed to maintain the set contraction intensity. The rating of perceived exertion in exercising muscle (Arm RPE) at the end of EX+VIB was lower than that of CONT (mean ±s.d.; 4.8 ± 1.1 for CONT versus 3.5 ± 1.0 for EX+VIB; P < 0.05). The increases in mean arterial pressure (36 ± 8 versus 22 ± 7%; P < 0.05), heart rate (36 ± 16 versus 21 ± 7%; P < 0.05) and cardiac output (56 ± 26 versus 39 ± 14%; P < 0.05) during EX+VIB were also lower than those during CONT. Similarly, the increase in the VMCA during EX+VIB was lower than that during CONT (29 ± 5 versus 17 ± 14%; P < 0.05). These results suggest that the influence of central command contributes to cerebral blood flow regulation during static exercise and the decrease in VMCA is likely to be caused by attenuated brain activation in the central command network and/or by the reduction in cardiac output.
Experimental Physiology | 2009
Kohei Sato; Tomoko Sadamoto; Chihoko Ueda-Sasahara; Kenichi Shibuya; Shizuyo Shimizu-Okuyama; Takuya Osada; Mifuyu Kamo; Mitsuru Saito; Atsuko Kagaya
We examined the role of central command in static exercise‐induced increase in middle cerebral artery mean blood flow velocity (VMCA). Eleven young female subjects performed static elbow flexion for 2 min at 30% maximal voluntary contraction without (control exercise; CONT) and with vibrations to the biceps brachii tendon (EX+VIB) in order to reduce the effort needed to maintain the set contraction intensity. The rating of perceived exertion in exercising muscle (Arm RPE) at the end of EX+VIB was lower than that of CONT (mean ±s.d.; 4.8 ± 1.1 for CONT versus 3.5 ± 1.0 for EX+VIB; P < 0.05). The increases in mean arterial pressure (36 ± 8 versus 22 ± 7%; P < 0.05), heart rate (36 ± 16 versus 21 ± 7%; P < 0.05) and cardiac output (56 ± 26 versus 39 ± 14%; P < 0.05) during EX+VIB were also lower than those during CONT. Similarly, the increase in the VMCA during EX+VIB was lower than that during CONT (29 ± 5 versus 17 ± 14%; P < 0.05). These results suggest that the influence of central command contributes to cerebral blood flow regulation during static exercise and the decrease in VMCA is likely to be caused by attenuated brain activation in the central command network and/or by the reduction in cardiac output.
Experimental Physiology | 2009
Kohei Sato; Tomoko Sadamoto; Chihoko Ueda-Sasahara; Kenichi Shibuya; Shizuyo Shimizu-Okuyama; Takuya Osada; Mifuyu Kamo; Mitsuru Saito; Atsuko Kagaya
We examined the role of central command in static exercise‐induced increase in middle cerebral artery mean blood flow velocity (VMCA). Eleven young female subjects performed static elbow flexion for 2 min at 30% maximal voluntary contraction without (control exercise; CONT) and with vibrations to the biceps brachii tendon (EX+VIB) in order to reduce the effort needed to maintain the set contraction intensity. The rating of perceived exertion in exercising muscle (Arm RPE) at the end of EX+VIB was lower than that of CONT (mean ±s.d.; 4.8 ± 1.1 for CONT versus 3.5 ± 1.0 for EX+VIB; P < 0.05). The increases in mean arterial pressure (36 ± 8 versus 22 ± 7%; P < 0.05), heart rate (36 ± 16 versus 21 ± 7%; P < 0.05) and cardiac output (56 ± 26 versus 39 ± 14%; P < 0.05) during EX+VIB were also lower than those during CONT. Similarly, the increase in the VMCA during EX+VIB was lower than that during CONT (29 ± 5 versus 17 ± 14%; P < 0.05). These results suggest that the influence of central command contributes to cerebral blood flow regulation during static exercise and the decrease in VMCA is likely to be caused by attenuated brain activation in the central command network and/or by the reduction in cardiac output.
European Journal of Applied Physiology | 2002
Mifuyu Kamo
Journal of Physiological Anthropology | 2009
Kenichi Shibuya; Chihoko Ueda; Kohei Sato; Shizuyo Shimizu-Okuyama; Mitsuru Saito; Atsuko Kagaya; Mifuyu Kamo; Takuya Osada; Tomoko Sadamoto
Transactions of the Japan Society of Mechanical Engineers. C | 1999
Mifuyu Kamo; Shigeru Morimoto; Takao Yakou; Keijiro Yamamoto
Japanese Journal of Physical Fitness and Sports Medicine | 2013
Shigeru Morimoto; Mifuyu Kamo
Medicine and Science in Sports and Exercise | 2009
Kohei Sato; Chihoko Ueda; Kenichi Shibuya; Ai Hirasawa; Mifuyu Kamo; Shizuyo Okuyama; Takuya Osada; Atsuko Kagaya; Mitsuru Saito; Tomoko Sadamoto
Japanese Journal of Physical Fitness and Sports Medicine | 2009
Shigeru Morimoto; Chigusa Ishiwata; Naomi Miyamoto; Mifuyu Kamo
Proceedings of Annual Meeting of the Physiological Society of Japan Proceedings of Annual Meeting of the Physiological Society of Japan | 2008
Mifuyu Kamo