Muscle and Tendon Physiology — MCQs

Arrange the following parts of sarcomere from periphery to center. 1. Z line 2. M line 3. A band 4. H zone

Sequence the events in neuromuscular action potential conduction: 1. Sodium channels open in the end plate 2. Calcium enters at the nerve terminal 3. Release of acetylcholine

Tetanic contraction is due to accumulation of?

The protein responsible for elasticity of the muscle is:

Granulation tissue is replaced by connective tissue in what stage of wound healing?

Golgi tendon organs are innervated by which type of nerve fibre?

The image below shows a pressure sore. Which stage does this belong to?

Inverse stretch reflex is mediated :

Which muscle tendon is stretched in patellar tendon reflex?

A 9-month-old girl is brought by her mother who noticed asymmetric skin folds on the thighs and difficulty abducting the left hip during diaper changes. She was a firstborn, delivered in breech presentation. Examination reveals limited abduction of the left hip to 30 degrees. The pelvis radiograph is shown (Image 1). Which of the following is the most appropriate next step in management?