Final Exam Flashcards
levator scapulae
origin: transverse processes C1-C4
insertion: medial border of scapula above spine
joint actions:
elevation of scapula
rhomboids
origin: spinous processes of C7-T5
insertion: medial border of scapula below the spine
joint action(s):
elevation, retraction, downward rotation of scapula
serratus anterior
origin: lateral surface, upper 9 ribs
insertion: anterior, medial border of scapula
joint actions:
protraction, upward rotation of scapula
pectoralis minor
origin: anterior surface ribs 3-5
insertion: coracoid process of scapula
joint actions:
depression, protraction, downward rotation of scapula
trapezius (upper)
origin: occipital protuberance
insertion: posterior lateral 1/3 of clavicle
joint actions:
BIL - cervical extension, shoulder girdle elevation
trapezius (middle)
origin: spinous processes C7-T3
insertion: acromion process, lateral 1/3 spine of scapula
joint actions:
upward rotation, elevation, retraction
trapezius (lower)
origin: spinous processes T4- T12
insertion: medial triangular base of spine of scapula
joint actions:
upward rotation, depression, retraction of scapula
downward rotators of shoulder girdle
Rhomboids
Pectoralis Minor
upward rotators of shoulder girdle
Trapezius (middle)
Trapezius (lower)
Serratus Anterior
depressors of shoulder girdle
Lower Trapezius
Pectoralis Minor
elevators of shoulder girdle
Trapezius (upper)
Trapezius (middle)
Levator Scapulae
Rhomboids
protractors (ABduction) of shoulder girdle
Pectoralis Minor
Serratus Anterior
retractors (ADduction) of shoulder girdle
Trapezius (middle)
Trapezius (lower)
Rhomboids
biceps brachii
O-supraglenoid tubercle (long head)
O-coracoid process (short head)
I-radial tuberosity of radius
Joint Action(s)
Flexion of elbow
supination of forearm
brachialis
O-distal, anterior shaft of humerus
I-coronoid process of ulna
Joint Action(s)
Flexion of elbow
brachioradialis
O-lateral supracondylar ridge of humerus
I-styloid process of radius
Joint Action(s)
Flexion of elbow
supination to neutral pronation to neutral
triceps brachii
O-infraglenoid tubercle (long head)
O-upper, posterior humerus (lateral head)
O-distal, posterior humerus (medial head)
I-olecranon process of ulna (all heads)
Joint Action(s)
Extension of elbow
anconeus
O-posterior lateral condyle of humerus
I-olecranon process and proximal, lateral ulna
Joint Action(s)
Extension of elbow
pronator teres
O-medial supracondylar ridge of humerus
I- Mid, lateral radius
Joint Action(s)
Flexion of elbow
pronation of forearm
pronator quadratus
O-distal, anterior ulna
I-distal, anterior radius
Joint Action(s)
Pronation of forearm
supinator
O-lateral epicondyle of humerus
I-proximal, lateral radius
Joint Action(s)
Supination of forearm
elbow flexion
Biceps brachii
Brachioradialis
brachialis
Pronator teres
elbow extension
Triceps brachii
anconeus
radioulnar pronation
Pronator quadratus
Pronator teres
brachioradialis
radioulnar supination
Supinator
Biceps brachii
brachioradialis
ABduction
upward rotation
ADduction
downward rotation
flexion
upward rotation
elevation
extension
depression
downward rotation
internal rotation
protraction