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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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When the occipitalis is contracted, this raises the eyebrows and wrinkles the skin of the forehead. When the occipitalis is relaxed it draws the skin anteriorly. |
Frontalis |
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it pulls the skin posteriorly |
Occipitalis |
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Together they extend the head by flexing the cervical portion of the vertebral column. Alone they turn the head in the direction opposite of the contraction. |
Sternocleidomastoid |
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Acts with the masseter to raise and pull back the mandible |
Temporalis |
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raises and pulls back the lower mandible, closes the mouth, and clenches the teeth. It also may move the mandible from side to side. |
Masseter |
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Closes an protrudes the lips and pulls the lips back against the teeth |
Obicularis oris |
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Elevates and draws the scapula medially. Is also extends and/or flexes the head |
Levator scapulae |
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Extends the head when contracting together, and otatesr the head when contracting singly. |
Splenius capitis |
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Elevates and helps the scapula rotate when adducting the arm |
Rhomboideus minor |
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Depresses and abducts the scapula, rotates it down and stabilizes it. |
Pectoralis Minor |
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Adducts, flexes, and medially rotates the humerus inward. |
Pectoralis Major |
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Abducts the scapula and rotates it upward. It also lifts the ribs when the scapula is fixed |
Serratus anterior |
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Compresses the abdomen and can rotate the vertebral column |
Internal Oblique |
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Compresses the abdomen and can rotate the vertebral column |
External Oblique |
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Flexes the lumbar region of the vertebral column and compresses the abdomen |
Rectus Abdominis |
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Elevates and/or adducts the scapula, rotates the scapula up or down, and draws the head back when the shoulders are fixed. |
Trapezius |
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Elevates and rotates the scapula downward while adducting the arm |
Rhomboideus major |
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It laterally rotates and abducts the arm at the shoulder |
Infraspinatus |
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Laterally rotates, extends, and adducts the humerus at the shoulder and stabilizes the elbow joint |
Teres minor |
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Assists the extension of the humerus, medially rotates the humerus, helps rotate the scapula downward |
Teres major |
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Extends, adducts, and medially rotates the arm at the shoulder. Also draws the arm inferiorly and posteriorly. |
Latisimus dorsi |
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Connective tissue that acts as the origin for muscles of the lower back |
Lumbodorsal fascia |
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