types:
calf,
sura
the muscular back part of the shank
psoas
either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh
soleus,
soleus muscle
a broad flat muscle in the calf of the leg under the gastrocnemius muscle
splenius,
splenius muscle
either of two flat muscles that extend from the upper vertebrae to the base of the skull and serve to rotate or flex or extend the head and neck
peroneus
muscle of the lower leg that is involved in moving the foot
biceps
any skeletal muscle having two origins (but especially the muscle that flexes the forearm)
triceps
any skeletal muscle having three origins (but especially the triceps brachii)
teres,
teres muscle
either of two muscles in the shoulder region that move the shoulders and arms
masseter
a large muscle that raises the lower jaw and is used in chewing
platysma
either of two broad muscles located on either side of the neck and innervated by the facial nerve; extends from lower jaw to clavicle and is involved in moving the mouth and jaw
mid-calf
the middle of the calf; half way between the knee and ankle