Module 4 Flashcards
Anterior muscles that attach the axial skeleton to the pectoral girdle (shoulder)
- pectoralis minor
- serratus anterior
posterior muscles that attach the axial skeleton to the pectoral girdle (shoulder)
- trapezius
- rhombus
- levator scapulae
what is the function of the pectoralis major
flex the humerus
function of the latissimus dorsi
extend the humerus
what are the two muscles that attach the axial skeleton to the humerus?
ANTERIOR = pectoralis major POSTERIOR = latissimus dorsi
what are the rotator cuff muscles
posterior: - supraspinatus - teres minor - infraspinatus anterior: - subscapularis
function of the deltoid
abducts the arm
function of the teres major
adducts, extends, and medially rotates the arm
which muscle flexes the humerus?
pectoralis major
the deltoid and the teres major are apart of what muscle category
muscles that attach the pectoral girdle to the humerus
what muscles stabilize the glenohumeral joint?
deltoid and teres major
what are the two muscles that move the forearm
biceps branchii and triceps branchii
what muscle flexes the forearm?
biceps
what muscle extends the forearm
triceps
anterior muscles that flex the wrist?
- flexor carpi radialis
- flexor carpi ulnaris
where do the flexor carpi radialis
and flexor carpi ulnaris have a common origin
on the medial epicondyle of the humerus
posterior muscles that extend the wrist?
- extensor carpi radialis and brevis
- extensor carpi ulnaris
where do the extensor carpi radialis and brevis
and extensor carpi ulnaris have a common origin
on the lateral epicondyle of the humerus
what muscle flexes the thigh?
iliopsoas
what is the function of the glutues muscles?
extend the thigh
posterior muscles that move the thigh?
- gluteus maximus
- gluteus medius
- gluteus minimus
which muscles extend the knee?
- sartorius
- quadriceps femoris
what if the function of the adductors
adduct the thigh
what is the function of the hamstrings
extend the hip and flex the knee
