Locomotion and Movement Question 2
2. Lack of relaxation between successive stimuli in sustained muscle contraction is known as
(a) Spasm
(b) Fatigue
(c) Tetanus
(d) Tonus
Show Answer
Answer : c
Hints & Solutions
(c) Sustained contraction with no relaxation phase is called muscle tetanus. A tetanic contraction (also called tetanised state, tetanus, or physiologic tetanus, the latter to differentiate from the disease called tetanus) is a sustained muscle contraction evoked when the motor nerve that innervates a skeletal muscle emits action potentials at a very high rate.
