. KINESIOLOGY - Angular Kinetics: 1. What does an eccentric bicep curl mean, and

Question

. KINESIOLOGY - Angular Kinetics:

1. What does an eccentric bicep curl mean, and how does it differ from a concentric curl?

2. Compare exercises - Concentric Hip ABduction and Concentric Hip Adduction. How do the exercises compare to one another? Be specific

3. Eccentric bicep curl, describe the movement. What does an eccentric bicep curl mean, and how does it differ from a concentric curl?

4. What is the force, resistance, and axis for a concentric bicep curl?

5. In the exercise (eccentric chest fly), what muscle is the major mover? How do you know this? What is the origin and insertion of this muscle?

6. How does the Anterior Deltoid Raise differ from the Lateral Raise?

Explanation / Answer

1) Concentric curls are known as positive contractions. They shorten the length of muscle fibers. It occurs when the muscle acts against a resistive force like lifting a weight from the ground.

Eccentric curl is also known as negative contractions. Here, the length of the muscle fiber increases. The muscle returns to its original configuration from contracted state. For example lowering of a lifted weight.

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