BackMajor Muscles of the Human Body
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Terms in this set (20)
Deltoid is the shoulder muscle responsible for arm abduction, flexion, and extension.
Biceps Brachii is the muscle on the front of the upper arm that flexes the elbow and supinates the forearm.
Triceps Brachii is the muscle on the back of the upper arm that extends the elbow.
Pectoralis Major is the large chest muscle that adducts and medially rotates the arm.
Rectus Abdominis is the abdominal muscle that flexes the vertebral column and compresses the abdomen.
External Oblique muscles are on the sides of the abdomen and help rotate and laterally flex the trunk.
Latissimus Dorsi is a large back muscle that extends, adducts, and medially rotates the arm.
Trapezius is a large upper back muscle that moves the scapula and supports the arm.
Gluteus Maximus is the main extensor muscle of the hip, important for standing and climbing.
Quadriceps Femoris is a group of four muscles on the front of the thigh that extend the knee.
Hamstrings are three muscles on the back of the thigh that flex the knee and extend the hip.
Gastrocnemius is the calf muscle that plantarflexes the foot and flexes the knee.
Soleus lies beneath the gastrocnemius and also plantarflexes the foot.
Tibialis Anterior is the muscle on the front of the lower leg that dorsiflexes and inverts the foot.
Sternocleidomastoid is a neck muscle that flexes and rotates the head.
Masseter is a facial muscle that elevates the mandible to close the jaw.
Orbicularis Oculi is the muscle around the eye that closes the eyelids.
Orbicularis Oris is the muscle around the mouth that controls lip movements.
Iliopsoas is a deep hip flexor muscle important for lifting the thigh.
Brachialis lies beneath the biceps and is a primary flexor of the elbow.