What do the levator scapulae, trapezius (upper fibers), biceps brachii, subscapularis and soleus all have in common?

What do the levator scapulae, trapezius (upper fibers), biceps brachii, subscapularis and soleus all have in common?
A . Act on the shoulder
B. Phasic muscles
C. Postural muscles
D. Fast twitch muscle

View Answer

Answer: C

Explanation:

All the muscles listed in the question are examples of postural muscles. Postural muscles are slow twitch and highly susceptible to hypertonicity in over-use and under-use scenarios.