Face a wall and stand about 6 inches from it. Place both hands on the wall at sh

Question

Face a wall and stand about 6 inches from it. Place both hands on the wall at shoulder level and put your nose and chest against the wall. Keeping your palms in place on the wall, slowly push your body from the wall as in a push-up until your chest is as far away from the wall as possible without removing your palms from the wall surface. Analyze the movements and the muscles responsible for each movement at the shoulder girdle, glenohumeral joint, elbow, and wrist. Include the type of contraction for each muscle for each movement.

Explanation / Answer

The weight transfer during wall push ups works  arms, shoulder and chest harder, the push ups builds added strength and muscle strength. Leaning wall pushups from 4 or more feet (6 inches)away also strengthens .This is the eccentric type of the isotonic muscle contraction which basically works on pectoralis major, the front of shoulder muscles, and the back of arms, the triceps brachii. biceps, forearms, wrists and hands.

The movement at shoulder girdle involve protraction ,retraction.extension and flexion at shoulder joint and elbow joint and all the muscles involve isotonic muscle contraction. Leaning wall pushups with 3 or more feet away also strengthens .deltoid , biceps bracii, triceps, forearms, wrists and hands muscles .

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