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About mechanical and neural contributions to muscle force

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1. What is the effect of joint angle on EMG for a constant joint load? What does this tell you about the mechanical and neural contributions to muscle force at different joint positions?

2. What is the effect of contraction type on EMG amplitude? What does this tell you about the mechanical and neural contributions to muscle force during different types of muscle contraction?

3. What is the effect of increasing load on EMG amplitude for a constant joint angle? There should be a linear relationship between EMG amplitude and load under isometric conditions. Why is this true for isometric actions, but not concentric or eccentric actions? Is EMG amplitude synonymous with muscle force? Why or why not?

Attachment:- Electromyography Lab.rar

Reference no: EM132357748

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