When we lift a heavy object,what happens to t | vedclass

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Question

(B) When we lift a heavy object,the movement involves the flexion of the elbow joint. During flexion,the biceps brachii muscle (the agonist) contracts

Vedclass · Accepted Answer

Biceps contracts and triceps relaxes

Vedclass · Answer

(B) When we lift a heavy object,the movement involves the flexion of the elbow joint. During flexion,the biceps brachii muscle (the agonist) contracts,becoming shorter and thicker,which pulls the radius and ulna towards the humerus. Simultaneously,the triceps brachii muscle (the antagonist) relaxes to allow this movement to occur. Therefore,the correct mechanism is that the biceps contracts and the triceps relaxes.

When we lift a heavy object,what happens to the muscles of the arm?

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