This muscle in your upper arm helps you bend your elbow.
Biceps Brachii
This muscle lets you smile.
Zygomaticus
The deltoid muscle is located here.
Shoulder
Bending a joint is called
flexion
This is the strongest muscle based on force used for chewing.
Masseter
The calf muscle that helps you stand on your toes.
Gastrocnemius
This muscle closes your eyelids.
Orbicularis Oculi
The gluteus maximus is found here.
Buttocks
Straightening a joint is called
Extension
This is the biggest muscle in the body.
Gluteus Maximus
This chest muscle helps you move your arm toward your body.
Pectoralis major
This muscle allows you to rotate your head.
Sternoocleidomastoid
The trapezius is found in this general region.
Upper back near the neck
Moving a limb away from the midline is
Abduction
This type of muscle works automatically without you thinking.
Smooth Muscle
This long muscle on the front of your thigh extends the lower leg.
Quadriceps
These muscles help you sit up and from lying down.
rectus abdominis
The hamstrings are located here.
Back of the thigh
Moving a limb toward the midline is
Adduction
You have this many major muscle groups.
This triangular back muscle helps you pull your arms down or back.
Latissimus dorsi
This muscle helps you raise your eyebrows.
Frontalis
The masseter muscle is located here.
Jaw
Turning your palm upward is called
Supination
This muscle is the smallest in the body and helps you hear.
Stapedius