muscles acting at the... Flashcards
(38 cards)
brachioradialis
what’s its function?
elbow flexor
biceps brachii
what’s its function?
what are its orgin and insertion?
elbow flexor
o: supraglenoid tubercle & coracoid process
i: radial tuberosity
brachialis
what’s its function?
elbow flexors
what are the elbow flexors?
biceps brachii, brachialis, brachioradialis
triceps brachii
what’s its function?
origin and insertion?
elbow extensor
o: infraglenoid tubercle/posterior shaft of humerus i: olecranon process
what are the elbow extensors?
triceps brachii, anconeus
anconeus
what’s its function?
elbow extensor
what are the rotator cuff muscles?
and what do they do?
SITS: teres minor, infraspinatus, supraspinatus, subscapularis
reinforce the glenohumeral joint, attach humerus to scapula
what are the lateral rotators of the humerus?
teres minor, infraspinatus
supraspinatus
what’s its function?
abductor of humerus
subscapularis
what’s its function?
medial rotator of humerus
infraspinatus
what’s its function?
lateral rotator of humerus
teres minor
what’s its function?
lateral rotator of humerus
what are the shoulder adductors/flexors?
coracobrachialis, pectoralis major
what are the shoulder extensors/adductors?
teres major, latissimus dorsi
deltoid
what’s its function?
shoulder abductor
can also flex and extend the shoulder
what is the shoulder abductor?
deltoid
coracobrachialis
what’s its function?
shoulder flexor/adductor
pectoralis major
what’s its function?
shoulder flexor/adductor
teres major
what’s its function?
shoulder extensor/adductor
latissimus dorsi
what’s its function?
shoulder adductor/extensor
what are the knee extensors?
what’s their common insertion?
vastus lateralis, medialis, & intermedius, and rectus femoris
tibial tuberosity
vastus lateralis, medialis, & intermedius
what’s their function?
knee extensor
rectus femoris
what’s its function?
knee extensor and hip flexor