1. Supinator O: The lateral epicondyle of the humerus
I: The lateral surface of the proximal third of the radius
A: Supination of the forearm
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2. Pronator
teres
O: The medial epicondyle of the humerus and the coronoid process of the ulna
I: The midlateral surface of the radius
A: Pronation of the forearm
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3. Triceps brachii O: Long head: the inferior margin of the Glenoid fossa
Lateral head: the lateral, posterior surface of the humerus
Medial head: the posterior surface of the humerus
I: The olecranon of the ulna
A: Extension of the elbow joint
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4. Brachialis O: The distal, anterior surface of the humerus
I: The coronoid process of the ulna
A: Flexion of the elbow
joint
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5. Biceps brachii O: Long head: superior margin of the Glenoid fossa
Short head: the coracoid process of the scapula
I: The radial tuberosity of the radius
A: Flexion of the elbow joint
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6. External obliques O: The last eight (8) ribs I: The iliac crest and
I: The iliac crest and
the linea alba
A: Both: flexion of the
vertebral column
Single: lateral flexion
of the vertebral column
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7. Latissimus
dorsi
O: Spinous processes of T6 through L5, the iliac crest, the sacrum and ribs 9 through 12
I:The intertubercular groove of the humerus
A: ADduction of the
humerus
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8. Pectoralis
major
O:The clavicle, the sternum and the costal cartilage of ribs 2 through 6
I: The greater tubercle of the humerus
A: ADduction of
the humerus
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9. Trapezius
O: The occipital bone and the spinous processes of C7 through T12
I: The clavicle, the acromion and the spine of the scapula
A: Stabilizes the scapula
Superior fibers:
elevation of the scapula
Intermediate fibers:
retraction of the scapula
Inferior fibers:
depression of the scapula
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10. Iliopsoas- Iliacus O: The iliac fossa and the sacrum
I: The lesser trochanter of the femur
A: Flexion of the hip joint
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11. Iliopsoas- Psoas major
O: The transverse processes and bodies of L1 through L5
I: The lesser trochanter of the femur
A: Flexion of the hip
joint
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12. Adductor longus O: The pubic crest and the symphysis pubis
I: The linea aspera of the femur
A: ADduction of the hip
joint
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