Chart 1 - Upper Extremity Flashcards
Exam 2
Pec Major
joint:
a.
action:
a.
b.
Joint: glenohumeral joint
Action: horizontal adduction, flexion
Origin: sternum, ribs
Insertion: humerus
Subscapularis
joint:
a.
action:
a.
Joint: glenohumeral joint
Action: internal rotation
Origin: scapula
Insertion: humerus
Pec Minor
joint:
a.
action:
a.
b.
Joint: scapulothoracic joint
Action: elevation, anterior tilt
Origin: ribs 2-5
Insertion: scapula
Posterior Deltoid
joint:
a.
action:
a.
b.
Joint: glenohumeral joint
Action: extension, horizontal abduction
Origin: scapula
Insertion: humerus
Upper Trapezius
joint:
a.
action:
a.
Joint: scapulothoracic joint
Action: scapulothoracic elevation
Origin: cervical spine
Insertion: scapula
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
Triceps Brachii
joint:
a.
action:
a.
Joint: humeroulnar joint
Action: extension
Origin: humerus
Insertion: olecronon
Supraspinatus
joint:
a.
action:
a.
Joint: glenohumeral joint
Action: abduction
Origin: scapula
Insertion: humerus
Coracobrachialis
joint:
a.
action:
a.
b.
Joint: glenohumeral joint
Action: glenohumeral flexion + horizontal adduction
Origin: coracoid process
Insertion: humerus
Teres Major
joint:
a.
action:
a.
Joint: glenohumeral joint
Action: internal rotation
Origin: scapula
Insertion: humerus
Anterior Deltoid
joint:
a.
action:
a.
b.
Joint: glenohumeral joint
Action: glenohumeral flexion, horizontal adduction
Origin: clavicle
Insertion: humerus
Teres Minor
joint:
a.
action:
a.
Joint: glenohumeral joint
Action: external rotation
Origin: scapula
Insertion: humerus
Latissimus Dorsi
joint:
a.
action:
a.
b.
Joint: glenohumeral joint
Action: glenohumeral adduction + extension
Origin: thoracic + lumbar vertebrea
Insertion: humerus
Brachiallis
joint:
a.
action:
a.
Joint: humeroulnar joint
Action: flexion
Origin: humerus
Insertion: coranoid, ulna
Infraspinatus
joint:
a.
action:
a.
Joint: glenohumeral joint
Action: external rotation
Origin: scapula
Insertion: humerus