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After jogging when i just bend forward, my thigh muscles tremble.

2006-08-15 17:36:12 · 1 answers · asked by sajesh.k 2 in Health Diet & Fitness

1 answers

It happens when muscle groups work against each other to hold a certain position. This is called isometrics.

2006-08-15 17:41:53 · answer #1 · answered by jennifae 3 · 1 0

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