Inserted on the coronoid process of the mandible Draws the corner of the mouth upward Can raise and adduct the scapula

Can pull the head into an upright position Consists of two parts—the frontalis and the occipitalis the chest to the face Pulls the jaw from side to side

Primary extensor of the elbow

Pulls the shoulder back and downward

Abducts the arm

Rotates the arm laterally

Pulls the arm forward and across the chest

Rotates the arm medially

Strongest flexor of the elbow

Strongest supinator of the forearm

Inverts the foot femoris group S. A plantar flexor of the foot T. Compresses the contents of the abdominal cavity U. Largest muscle in the body V. A hamstring muscle W. Adducts the thigh X. Abducts the thigh

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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