Physiology What is staircase effect in muscle contraction A After long period of rest, initial strength of contraction is less than few concentrations later B After long period of rest, initial strength of contraction is more than few concentrations later C After long period of work, strength of contraction is less than few concentrations later D After long period of work, strength of contraction is more than few concentrations later 💡 Explanation What is staircase effect in muscle contraction ✓ Correct Answer: A. After long period of rest, initial strength of contraction is less than few concentrations later