Appendicular Muscles

what is the origin of the trapezius?

what is the origin of the trapezius?

external occipital protuberance, & spinous processes of vertebrae

what is the insertion of the trapezius?

scapular spine, acromion, & distal clavicle

what is the action of the trapezius?

elevates, depresses, adducts scapula

what is the origin of the rhomboids?

spinous processes of vertebrae

what is the insertion of the rhomboids?

medial border of scapula

what is the action of the rhomboids?

adducts scapula (rm)

what is the origin of the pectoralis minor?

ribs

what is the insertion of the pectoralis minor?

coracoid process of scapula (pmn)

what is the action of the pectoralis minor?

depress scapula

what is the origin of the serratus anterior?

ribs

what is the insertion of the serratus anterior?

medial border of scapula

what is the action of the serratus anterior?

abduct scapula

what is the origin of the pectoralis major?

sternum & clavicle

what is the insertion of the pectoralis major?

greater tubercle of humerus

what is the action of the pectoralis major?

flex, adduct arm at shoulder (pmj)

what is the origin of coracobrachialis?

coracoid process of scapula

what is the insertion of the coracobrachialis?

proximal humerus

what is the action of the corachobrachialis?

flex & adduct arm at shoulder

what is the origin of the latissimus dorsi?

spinous processes of vertebrae & iliac crest

what is the insertion of the latissimus dorsi?

lesser tubercle of humerus

what is the action of the lattismus dorsi?

extend, adduct arm at shoulder

what is the origin of the teres major?

inferior angle of the scapula

what is the insertion of the teres major?

lesser tubercle of humerus (tmj)

what is the action of the teres major?

extend, adduct arm at shoulder (tmj)

what is the origin of the deltoid?

scapular spine, acromion, clavicle

what is the insertion of the deltoid?

deltoid tuberosity of humerus

what is the action of the deltoid?

abduct, flex, extend arm at shoulder

what is the origin of the supraspinatus?

supraspinous fossa of scapula

what is the insertion of the supraspinatus?

greater tubercle of humerus (sps)

what is the action of the supraspinatus?

abduct arm at shoulder (sspin)

what is the origin of the infraspinatus?

infraspinous fossa of scapula

what is the insertion of the infraspinatus?

greater tubercle of humerus (insp)

what is the action of the infraspinatus?

laterally rotate arm at shoulder

what is the origin of the teres minor?

lateral border of scapula

what is the insertion of the teres minor?

greater tubercle of humerus (tmn)

what is the action of the teres minor?

laterally rotate arm at shoulder

what is the origin of the subscapularis?

subscapular fossa of scapula

what is the insertion of the subscapularis?

lesser tubercle of humerus

what is the action of the subscapularis?

medially rotate arm at shoulder

what is the origin of the long head of the biceps brachii?

above glenoid fossa

what is the origin of the short head of the biceps brachii?

coracoid process of scapula (shbb)

what is the insertion of the biceps brachii?

radial tuberosity of radius (NEED PICTURE)

what is the action of the biceps brachii?

flex forearm at elbow & supinate forearm

what is the origin of the brachialis?

distal humerus

what is the insertion of the brachialis?

coronoid process of ulna

what is the action of the brachialis?

flex forearm at elbow

what is the origin of the brachioradialis?

distal, lateral humerus

what is the insertion of the brachioradialis?

styloid process of radius

what is the action of the brachioradialis?

flex forearm at elbow

what is the origin of the lateral head of the triceps brachii?

lateral surface of humerus

what is the origin of the long head of the triceps brachii?

below glenoid fossa

what is the origin of the medial head of the triceps brachii?

posterior surface of humerus

what is the insertion of the triceps brachii?

olecranon process of ulna

what is the action of the triceps brachii?

extend forearm at elbow

what is the origin of the pronator teres & quadratus?

ulna

what is the insertion of the pronator teres & quadratus?

radius

what is the action of the pronator teres & quadratus?

pronates forearm

what is the origin of the supinator muscle?

proximal ulna

what is the insertion of supinator muscle?

proximal radius

what is the action of the supinator muscle?

supinates forearm

what is the origin of the forearm flexors?

medial epicondyle of humerus

what is the insertion of the forearm flexors?

carpals, metacarpals, & phalanges

what is the action of the forearm flexors?

flex wrist, fingers, & thumb

what is the origin of the forearm extensors?

lateral epicondyle of humerus

what is the insertion of the forearm extensors?

carpals, metacarpals, & phalanges

what is the action of the forearm extensors?

extend wrist, fingers, & thumb; abduct thumb

what are the muscles in the thumb called?

thenar

what are the muscles in the pinkie called?

hypothenar

what is the origin of the psoas?

transverse process of vertebrae

what is the insertion of the psoas?

lesser trochanter of femur

what is the action of the psoas?

flex thigh at hip (ps)

what is the origin of the iliacus?

iliac fossa of ilium

what is the insertion of the iliacus?

lesser trochanter of femur (il)

what is the action of the iliacus?

flex thigh at hip (il)

what is the origin of the gluteus maximus?

iliac crest, sacrum

what is the insertion of the gluteus maximus?

linea aspera & iliotibial band

what is the action of the gluteus maximus?

extend thigh at hip (gmx)

what is the origin of the adductor brevis?

pubis & ischium

what is the insertion of the adductor brevis?

linea aspera

what is the action of the adductor brevis?

adduct thigh at hip

what is the origin of the adductor longus?

pubis & ischium (al)

what is the insertion of the adductor longus?

linea aspera (al)

what is the action of the adductor longus?

adduct thigh at hip (al)

what is the origin of the adductor magnus?

pubis & ischium

what is the insertion of the adductor magnus?

linea aspera (am)

what is the action of the adductor magnus?

adduct thigh at hip

what is the origin of the gluteus medius?

ilium

what is the insertion of the gluteus medius?

greater trochanter of femur

what is the action of the gluteus medius?

abduct thigh at hip

what is the origin of the gluteus minimus?

ilium

what is the insertion of the gluteus minimus?

greater trochanter of femur (gmin)

what is the action of the gluteus minimus?

abduct thigh at hip

what is the origin of the gracilis?

pubis

what is the insertion of the gracilis?

medial, proximal tibia

what is the action of the gracilis?

adduct thigh at hip

what is the origin of the lateral compartment of the leg?

fibula

what is the insertion of the lateral compartment of the leg?

metatarsals

what is the action of the lateral compartment of the leg?

evert foot

what is the origin for the superficial posterior compartment of the leg?

femoral condyles

what is the insertion for the superficial compartment of the leg?

calcaneus (via calcaneal tendon)