Chart 1 - Upper Extremity Flashcards by Emily Williams

Pec Major
joint:
a.
action:
a.
b.

Joint: glenohumeral joint
Action: horizontal adduction, flexion
Origin: sternum, ribs
Insertion: humerus

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Subscapularis
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: internal rotation
Origin: scapula
Insertion: humerus

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Pec Minor
joint:
a.
action:
a.
b.

Joint: scapulothoracic joint
Action: elevation, anterior tilt
Origin: ribs 2-5
Insertion: scapula

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Posterior Deltoid
joint:
a.
action:
a.
b.

Joint: glenohumeral joint
Action: extension, horizontal abduction
Origin: scapula
Insertion: humerus

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Upper Trapezius
joint:
a.
action:
a.

Joint: scapulothoracic joint
Action: scapulothoracic elevation
Origin: cervical spine
Insertion: scapula

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Biceps Brachii
joint:
a.
b.
c.
action:
a.
b.
c.

Joint: glenohumeral joint; humeroulnar joint, radioulnar joint
Action: flexion, internal rotation, supination
Origin: glenoid labrum, coracoid process
Insertion: radial tuberosity

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Triceps Brachii
joint:
a.
action:
a.

Joint: humeroulnar joint
Action: extension
Origin: humerus
Insertion: olecronon

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Supraspinatus
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: abduction
Origin: scapula
Insertion: humerus

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Coracobrachialis
joint:
a.
action:
a.
b.

Joint: glenohumeral joint
Action: glenohumeral flexion + horizontal adduction
Origin: coracoid process
Insertion: humerus

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Teres Major
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: internal rotation
Origin: scapula
Insertion: humerus

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Anterior Deltoid
joint:
a.
action:
a.
b.

Joint: glenohumeral joint
Action: glenohumeral flexion, horizontal adduction
Origin: clavicle
Insertion: humerus

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Teres Minor
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: external rotation
Origin: scapula
Insertion: humerus

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Latissimus Dorsi
joint:
a.
action:
a.
b.

Joint: glenohumeral joint
Action: glenohumeral adduction + extension
Origin: thoracic + lumbar vertebrea
Insertion: humerus

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Brachiallis
joint:
a.
action:
a.

Joint: humeroulnar joint
Action: flexion
Origin: humerus
Insertion: coranoid, ulna

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Infraspinatus
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: external rotation
Origin: scapula
Insertion: humerus

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Lower Trapezius
joint:
a.
action:
a.
b.

Joint: scapulothoracic joint
Action: depression of scapula, downward rotation
Origin: thoracic vertebrea
Insertion: scapula

Middle Deltoid
joint:
a.
action:
a.

Joint: glenohumeral joint
Action: abduction
Origin: acromion/scapula
Insertion: humerus

Levator Scapula
joint:
a.
action:
a.

Joint: scapulothoracic joint
Action: abduction
Origin: cervical spine
Insertion: scapula

Supinator
joint:
a.
b.
action:
a.

Joint: radioulnar joint + radiohumeral joint
Action: supination
Origin: lateral epicondyle humerus
Insertion: ulna

Pronator Teres
joint:
a.
b.
action:
a.

Joint: radioulnar joint + radiohumeral joint
Action: pronation
Origin: medial epicondyle humerus
Insertion: radius

Brachioradialis
joint:
a.
action:
a.

Joint: humeroulnar joint
Action: flexion
Origin: humerus
Insertion: radius

Serratus Anterior
joint:
a.
action:
a.

Joint: scapulothoracic joint
Action: scapula thoracic protraction
Origin: scapula
Insertion: lateral ribs

Flexor Carpi Radialis
joint:
a.
action:
a.
b.

Joint: radial carpal joint
Action: flexion, radial deviation
Origin: medial epicondyle humerus
Insertion: 1st metacarpal

Pronator Quadratus
joint:
a.
b.
action:
a.

Joint: humeroulnar joint + radioulnar joint
Action: pronation
Origin: ulna
Insertion: radius

Flexor Digitorum Profundus a. b. c. d. action: a. b. c. d.

Joint: radialcarpal joint, MCP, PIP, DIP Action: flexion of: 1) radial carpal, 2) metacarpal phalangeal, 3) proximal interphalangeal, 4) distal interphalangeal Origin: medial epicondyle humerus Insertion: distal phalanx of 2-5

Extensor Carpi Ulnaris joint: a. action: a. b.

Joint: radialcarpal joint Action: extension; ulnar deviation Origin: ulna Insertion: 5th metacarpal

Extensor Digitorum Longus joint: a. b. c. d. action: a. b. c. d.

Joint: radialcarpal joint, MCP, PIP, DIP Action: extension of: 1) radial carpal, 2) metacarpal phalangeal, 3) proximal interphalangeal, 4) distal interphalangeal Origin: lateral epicondyle humerus Insertion: distal phalanx of 2-5

Flexor Carpi Ulnaris joint: a. action: a. b.

Joint: radialcarpal joint Action: flexion, ulnar deviation Origin: ulna Insertion: 5th metacarpal

Extensor Carpi Radialis joint: a. action: a. b.

Joint: radialcarpal joint Action: extension, radial deviation Origin: radius Insertion: 1st metacarpal

Chart 1 - Upper Extremity Flashcards

Exam 2