Changes of α-Motor Neuron Excitability after Low-Intensity Exercise with Transient Restriction of Blood Flow (일시적 혈류 제한과 함께 수행한 저강도 운동 후 알파운동신경원의 변화)

Kim, Jong-Soon (김종순)

Changes of α-Motor Neuron Excitability after Low-Intensity Exercise with Transient Restriction of Blood Flow

Journal of the Korean Society of Physical Medicine
Abbr : J Korean Soc Phys Med
2015, 10(1), pp.63-69
Publisher : The Korean Society of Physical Medicine
Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy

Kim, Jong-Soon ¹

¹부산가톨릭대학교

Accredited

ABSTRACT

PURPOSE:Low-intensity exercise with transient restriction of blood flow to muscle could be an alternative rehabilitation method which avoids the problems associated with conventional high-intensity exercise. However, the mechanism of low-intensity exercise with transient restriction of blood flow is not clearly known. Thus, the purpose of this study was to investigate the mechanism of improvement of muscular function after low-intensity exercise with transient restriction of blood flow using H-reflex analysis. METHODS:Twenty one healthy young adults with no medical history of neurological or musculoskeletal disorder voluntarily participated in this study. The α-motor neuron excitability of the triceps surae was assessed using the H-reflex. The amplitude of the M-wave and H-reflex were measured across three conditions: rest, after low-intensity exercise without restriction of blood flow and after low-intensity exercise with restriction of blood flow. The subjects performed low-intensity ankle plantar flexion exercise at their own pace for one minute without or with transient restriction of blood flow achieved by a sphygmomanometer cuff on popliteal fossa at a pressure of 120㎜ of mercury(120 ㎜Hg). RESULTS:No significant changes of the excitability of the α-motor neuron were obtained across three different conditions. CONCLUSION:This study found that low-intensity exercise with transient restriction of blood flow did not influence to α-motor neuron excitability of the triceps surae. From the results, I could come to the conclusion that further study will be required.

KEYWORDS

α-motor neuron, H-reflex, Low-intensity exercise with transient restriction of blood flow, M-wave

Citation status

* References for papers published after 2023 are currently being built.

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