Anatomy of the Human Muscular System

A set of vocabulary flashcards identifying the major human skeletal muscles highlighted in the provided anatomical diagram.

Orbicularis oculi

A facial muscle surrounding the eye socket that controls the closure of the eyelids.

Rectus femoris

A muscle situated in the anterior central portion of the thigh, forming part of the quadriceps muscle group.

Sternocleidomastoid

A long muscle on the side of the neck extending from the sternum and clavicle to the mastoid process.

Latissimus dorsi

A broad, flat muscle occupying the lower and middle regions of the back.

Gluteus maximus

The largest muscle located in the posterior hip and buttock region.

Zygomaticus

A facial cheek muscle extending diagonally from the zygomatic bone to the corner of the mouth.

Vastus lateralis

A muscle located on the outer lateral aspect of the anterior thigh, part of the quadriceps muscle group.

Masseter

A thick facial muscle located on the side of the jaw, primarily involved in mastication.

External oblique

An abdominal muscle positioned on the lateral exterior side of the abdomen.

Biceps brachii

A two-headed muscle located on the anterior region of the upper arm.

Tibialis anterior

A muscle running down the anterior and lateral aspect of the lower leg along the shin.

Orbicularis oris

A complex facial muscle encircling the opening of the mouth and controlling lip movements.

Vastus medialis

A muscle located on the inner medial aspect of the anterior thigh, part of the quadriceps muscle group.

Rectus abdominis

A vertical muscle extending along the anterior abdominal wall.

Pectoralis major

A thick, fan-shaped muscle covering the upper chest.

Triceps brachii

A three-headed muscle located on the posterior upper arm.

Gluteus medius

A muscle situated on the outer upper hip beneath the upper region of the gluteus maximus.

Temporalis

A broad, fan-shaped muscle covering the temporal region on the side of the skull.

Sartorius

A long, narrow muscle running diagonally across the anterior thigh from the hip down to the inner knee region.

Frontalis

A facial muscle covering the anterior region of the skull and forehead.

Deltoid

A large, triangular muscle covering the shoulder joint.

Trapezius

A broad, diamond-shaped muscle extending over the upper back and posterior neck region.

Soleus

A flat, broad muscle located in the posterior lower leg, positioned underneath the gastrocnemius.

Gastrocnemius

The prominent two-headed muscle forming the upper calf region of the posterior lower leg.

Biceps femoris

A muscle situated on the posterior side of the thigh, forming part of the hamstring group.