A) What sarcomere lengths correspond to the greatest generation of force? Explai

Question

A) What sarcomere lengths correspond to the greatest generation of force?  Explain why.  Also, explain why there is a reduction in force associated with very short (‘A’) or long (‘B’) sarcomere lengths.  (2 pts)

B) Why is there an inverse relationship between force (load) and velocity of movement? Under what circumstances would your muscles be able to develop the most force?  Under what circumstances would your muscles be able to move the quickest? (2 pts)

C) Provide a definition for muscle power.  How does it differ from force or tension developed in muscle (i.e., weight lifted)? In the graph, explain why peak power occurs at ~20% of fiber’s peak force, and explain why there is a difference between fiber types.  (3 pts)

Explanation / Answer

A) The greatest generation of force corresponding to sarcomere lenghl is 2.2mm. It is the resting sarcomere, have no velocity so have greatest force.

B) Velocity of work done is opposite to a resistance force which is exist by the muscle opposite to muscle working. Therefore if weight of object is more then force will be more and results in resistance force by opposite side muscle will be also more.

Muscle with Sorcomere at resting have greatest correspondence force.

If the weight of object is low then Velocity will be quickest.

C) Power of muscle is the maximum force apply against the load. Power is directly proportional to Velocity.

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