App muscle insertion, origin, and action

Trapezius

origin: Vertebrae

insertion: clavicle and scapula

action: scapula elevation (retraction and depression)

Rhomboid major

origin: vertebrae

insertion: scapula

action: scapula adduction

Rhomboid minor

origin: vertabrae

insertion: scapula

action: scapula adduction

Levator scapulae

origin: vertebrae

insertion: scapula

action: scapula elevation

Serratus anterior

origin: ribs

insertion: scapula

action: scapula protraction

Subclavius

origin: rib 1

insertion: clavicle

action: clavicle depression

Pectoralis minor

origin: ribs

insertion: scapula

action: scapula depression

Deltoid

origin: clavicle and scapula

insertion: humerus

action: shoulder flexion (abduction, extension)

Supraspinatus

origin: scapula

insertion: humerus

action: shoulder abduction

Subscapularis

origin: scapula

insertion: humerus

action: shoulder medial rotation

Teres major

origin: scapula

insertion: humerus

action: shoulder medial rotation

Infraspinatus

origin: scapula

insertion: humerus

action: shoulder lateral rotation

Teres minor

origin: scapula

insertion: humerus

action: shoulder lateral rotation

Coracobrachialis

origin: scapula

insertion: humerus

action: shoulder adduction (flexion)

Pectoralis major

origin: sternum and ribs

insertion: humerus

action: shoulder flexion (adduction)

Latissimus dorsi

origin: vertebrae

insertion: humerus

action: shoulder extension

Triceps brachii-long head

origin: scapula

insertion: ulna

action: elbow extension

Triceps brachii-lateral head

origin: humerus

insertion: ulna

action: elbow extension

Biceps brachii

origin: scapula

insertion: radius

action: elbow flexion

brachialis

origin: humerus

insertion: ulna

action: elbow flexion

Brachioradialis

origin: humerus

insertion: radius

action: elbow flexion

Pronator teres

origin: humerus and ulna

insertion: radius

action: forearm pronation

Flexor carpi radialis

origin: humerus

insertion: metacarpals

action: wrist flexion

Pronator Quadratus

origin: ulna

insertion: radius

action: forearm pronation

Palmaris longus

origin: humerus

insertion: retinaculum

action: wrist flexion

Flexor carpi ulnaris

origin: humerus

insertion: metacarpals

action: wrist flexion

Extensor carpi radialis longus

origin: humerus

insertion: metacarpals

action: wrist extension

Extensor carpi radialis brevis

origin: humerus

insertion: metacarpals

action: wrist extension

Extensor carpi ulnaris

origin: humerus

insertion: metacarpals

action: wrist extension

Flexor digitorium superficialis

origin: humerus, ulna

insertion: digits

action: finger flexion

Flexor polliculus longus

origin: radius

insertion: digit 1

action: thumb flexion

Extensor digitorium

origin: humerus

insertion: digits

action: finger extension

Extensor polliculus longus/brevis

origin: radius/ulna

insertion: thumb

action: thumb extension

Gluteal maximus

origin: ilium

insertion: femur

action: hip abduction

Gluteus medius

origin: ilium

insertion: femur

action: hip abduction

Gluteus minimus

origin: ilium

insertion: femur

action: hip abduction

Tensor fasciae latae

origin: ilium

insertion: iliotibial tract (IT band)

action: hip abduction

Obturators

origin: obturator foramen, os coxae

insertion: femur

action: hip lateral rotation

Piriformis

origin: sacrum

insertion: femur

action: hip lateral rotation

Adductor magnus

origin: pubis

insertion: femur

action: hip adduction

Adductor brevis

origin: pubis

insertion: femur

action: hip adduction

Adductor longus

origin: pubis

insertion: femur

action: hip adduction

Pectineus

origin: pubis

insertion: femur

action: hip adduction

Gracilis

origin: pubis

insertion: tibia

action: hip adduction

Iliacus

origin: ilium

insertion: femur

action: hip flexion

Psoas major

origin: vertebrae

insertion: femur

action: hip flexion

Biceps femoris

origin: ischium and femur

insertion: fibula

action: knee flexion

Semimembranosus

origin: ischium

insertion: tibia

action: knee flexion

Semitendinosus

origin: ischium

insertion: tibia

action: knee flexion

Sartorius

origin: ilium

insertion: tibia

action: hip flexion and lateral rotation (knee flexion and medial rotation)

Rectus femoris

origin: ilium

insertion: tibia

action: knee extension (hip flexion)

Vastus lateralis

origin: femur

insertion: tibia

action: knee extension

Vastus medialis

origin: femur

insertion: tibia

action: knee extension

Vastus intermedius

origin: femur

insertion: tibia

action: knee extension

Tibialis anterior

origin: tibia

insertion: 1st metatarsal

action: dorsiflexion

Gastrocnemius

origin: femur

insertion: calcaneus

action: plantar flexion

Soleus

origin: tibia and fibula

insertion: calcaneus

action: plantar flexion

Tibialis posterior

origin: tibia

insertion: cuneiforms

action: plantar flexion

Flexor digitorium longus

origin: tibia

insertion: digits

action: toe flexion

Flexor halliculus longus

origin: fibula

insertion: big toe

action: big toe flexion

Extensor digitorium longus

origin: tibia

insertion: digits

action: toe extension

Extensor halliculus longus

origin: fibula

insertion: big toe

action: big toe extension