MEDICAL PHYSIOLOGY

PHYSIOLOGY

SYNAPTIC PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?

A	the anconeus
B	the brachioradialis
C	the triceps brachii
D	the flexor digitorum profundus

Explanation:

Detailed explanation-1: -Answer:The muscles that could be affected are the biceps femoris, semitendinosus, andsemimembranosus.

Detailed explanation-2: -Rectus abdominis muscles strains are common and debilitating injuries among competitive tennis players.

Detailed explanation-3: -The pain is mainly linked to overuse injuries related to repetitive activity of the muscles around the shoulder (particularly the rotator cuff) and those muscles that stabilise the shoulder blade (scapula).

Detailed explanation-4: -During flexing of the forearm, the brachioradialis and brachialis act as synergist muscles, aiding the biceps brachii in pulling the forearm up towards the shoulder.

Detailed explanation-5: -Muscle Spasms of the Lumbar Spine A spasm in the lower back is likely a contraction of the erector spinae muscles, a large group of stabilizing muscles that run on either side of the spine, or the latissimus dorsi, Dr. Chaudhary says.

There is 1 question to complete.