Question

When there is drop in the force of contraction after prolonged stimulation; it is known as

• A. Muscle tone
• B. Muscle atrophy
• C. Muscle fatigue
• D. Muscle dystrophy

Answer 1

Answer: (C)

Muscle fatigue

Muscle fatigue is the decline in the ability of a muscle to generate force. There are two main causes of muscle fatigue. The limitations of a nerve ability to generate a sustained signal (neural fatigue) and the reduced ability of the muscle fiber to contract (metabolic fatigue).