Shoulder Girdle
Name the muscle described by the following information:
–O: C1-4
–I: Medial border of scapula above spine
–A: Elevates scapula
Levator Scapulae
Which muscle is described by the information below?
–A: Abduction
–I: Deltoid tuberosity
Deltoid
Which muscle positioned anteriorly on the humerus has the following O, I, and A?
O: Distal half of anterior humerus
I: Coronoid process of ulna
A: Elbow flexion
Brachialis
Name the muscle that is described by the following information:
O: Medial epicondyle of humerus
I: Anterior base of 5th metacarpal
A: Flexion, Ulnar deviation
Flexor carpi ulnaris
The hand has movement in these planes
Sagittal & frontal
Name the muscle action performed by the following muscles:
–Rhomboids
–Trapezius
Retraction
Name the 4 rotator cuff muscles
Supraspinatus, infraspinatus, teres minor, and subscapularis
Name the insertion point for the three heads of the triceps brachii muscle.
Olecranon process
Name the joint action that would be produced by a muscle with the following O & I:
O: Lateral epicondyle of humerus
I: Posterior base of 3rd metacarpal
Wrist extension
Radial deviation
Name the muscle that is described by the following information:
O: Proximal ¾ ulna
I: Base of distal phalanxes 2-5 (anterior)
A: Flexion of the 4 fingers at MCP, PIP, and DIP joints
Flexor digitorum profundus
Name the muscle described by the following information:
–O: Anterior ribs 3-5
–A: Protraction, downward rotation, and depression of scapula
Pectoralis Minor
Which of the four muscles in the rotator cuff has the following O, I, and A?
–O: Anterior surface of scapula
–I: Lesser tubercle of humerus
–A: Internal rotation, adduction, and extension
Subscapularis
Name the joint action that would be produced from a muscle that has the following O & I:
O: Posterior lateral condyle of the humerus
I: Posterior lateral olecranon process
Elbow extension
Name the muscle that inserts on the palmar aponeurosis of the 2-5 metacarpals.
Palmaris longus
What is the action of the flexor pollicis longus muscle.
Name the joint that is commonly injured in the shoulder girdle during a fall.
AC joint
Which muscle is known as the latissimus dorsi’s “little helper” and originates on the posterior lateral border of the scapula?
Teres major
Name the muscles involved in pronation of the forearm.
Pronator teres
Pronator quadratus
Muscles that originate on the medial epicondyle are wrist ___________; while muscles that originate on the lateral epicondyle are wrist ____________.
Flexors; extensors
Name the action of a hand muscle that has the following O & I:
O: Posterior middle ulna
I: Base of distal phalanx of the 1st digit
Thumb extension
Name the joint action produced from the muscle with the following O & I:
–O: Lateral surface of upper 9 ribs
–I: Anterior medial border of scapula
Protraction & Upward Rotation
Where might a muscle originate and insert in order to cause internal rotation of the shoulder?
O: Sternum, spine, or scapula
I: Anterior humerus
Describe the position of the three origin sites of the triceps brachii.
Long: Infraglenoid tubercle
Lateral: Upper half of posterior humerus
Medial: Distal posterior humerus
Name the muscle that inserts on the anterior surface of the hand at the base of the 2nd and 3rd metacarpal.
Flexor carpi radialis
From proximal to distal, name the joints of the hand (acronyms are fine)
CMC, MCP, PIP, and DIP