Which of the following is an example of proper movement for a biceps curl?

a: rotate the arm at the shoulder with the back straight
b: bend the arm at the elbow with the back straight
c: rotate the elbow and arch the back
d: bend the elbow and move the upper arm forward

b: Bend the arm at the elbow with the back straight.

Explanation:

The person should stand straight with a dumbell in each of the hand particularly at the length of the arms. The elbow should lie close to the torso. The person should rotate the palms of the hands until the hands face forward. This will be like starting position for this exercise. Then upper arms should be kept stationary. The person should exhale and curl the weights during this process the biceps also contracts. The entire body should be kept straight during this exercise.

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