Muscles

trapezius

O: occipital bone
I: spine, acromion of scapula
A: extends head, elevates depresses, rotates scapula

latissmus dorsi

O: lower vertebrae
I: intertubercular groove of humerus
A: Extends, abducts, rotates arm

trapezius

O: occipital bone
I: spind
A: extends head, elevates, rotates, depresses scapula

Latissmus dorsi

O: Lower vertebrae
I: intertubercular groove of humerus
A: extends, abducts, rotates arms medially

Supraspinatus

O: supraspinous fossa
I: greater tubercle of humerus
A: abducts and stabilzes humerus

Infraspinatus

O: infraspinous fossa
I: greater tubercle of humerus
A: lateral rotation of humerus

Rhomboids

O: spinous process of c1-t5
I: medial border of scapula
A: retracts and rotates scapula

Pectoralis Major

O: clavicle, sternum, costal cartilage
I: freater tubercle of humerus
A: flexes, adducts and medially rotates arm

Serratus anterior

A: protracts and rotates scapula

Deltoid

I: deltoid tuberosity of humerus
A: Abducts arm

Biceps Brachii

O: corocoid process, intertubercular groove of humerus
I: Radial tubercity
A: flexes arms and elbow

Brachiallis

O: axillary border of scapula, posterior humerus
I: olecranon process of ulna
A: flexes forearm

Flexor carpi radialis

O: medial epicondlye of humerus
I: base of 2nd and 3rd metacarpals
A: flexes wrist and adducts harnd

Triceps brachii

O: auxillary border of scapula
I: olecranon process of ulna
A: extends forearm and stabilizes shoulder

flexor carpi ulnaris

O: medial epicondyle of humerus, olecranon process
I: base of 5th metarsals, pisiform and hamate
A: flexes wrist, adducts hand

palmaris longus

O: medial epicondyle of humerus
I: palmar aponeurosis
A: flexes wrist

pronator teres

O: medial epicondyle of humerus
I: lateral radius
A: pronates and flexes forearm

brachioradialis

O: distal humerus
I: styloid process of radius
A: flexes forearm

extensor carpi radialis

O: lateral epicondyle of humerus
I: 2nd and 3rd metacarpals
A: extends and abducts wrist

extensor carpi ulnaris

O: lateral epicondyle of humerus
I: 5th metacarpal
A: extends and abducts wrist

extensor digitorum

O: lateral epicondyle of humerus
I: posterior surface of distal phalanges 2-5
A: extends fingers, wrist, and abducts fingers

occipital frontalis

A: raises eyebrows, wrinkles forehead

orbicularis oculi

A: closes eyes

orbicularis oris

A: closes and puckers lips

masseter

O: zygomatic arch
I: angle and ramus of mandible
A: elevates mandible

temporalis

A: elevates and retracts mandible

zygomatic

A: raises corners of mouth

levator labii superioris

A: raises upper lip

sternocleidomastoid

O: manubrium of sternum, clavicle
I: mastoid process
A: rotates head to opposite shoulder, flexes head

digastric

O: mandible and mastoid process
I: hyoid bone
A: elevates hyoid and depresses mandible

rectus abdominis

O: pubic crest and pubic symphysis
I: ribs 5-7 and xiphoid process
A: flexes trunk

external oblique

A: flexion and rotation of trunk

internal oblique

A: flexion and rotation of trunk

transverse abdominis

A: compresses abdominal wall

pectoralis minor

O: ribs 3-5
I: coracoid process of scapula
A: draws scapula anteriorly and inferiorly

external intercostals

A: raises ribs

internal intercostals

A: depresses ribs

diaphram

O: xiphoid process
I: central tendon
A: prime muclesof inspiration

psoas major

O: lumbar vertebrae
I: lessor trochanter of femur
A: flexes thigh and trunk

gluteus maximus

O: illium, sacrum, coccyx
I: gluteal tuberocity of femur
A: extension and lateral rotation of thigh

gluteus medius

O: illium
I: greater trochanter of femur
A: abduction and medial rotation of thigh

adductor longus

O: pubis near pubic symphysis
I: linea aspea
A: adducts, flexes, and medially rotates thigh

adductor magnus

O: ischium and pubis
I: linea aspea of femur
A: adducts, flexes, and medially rotates thigh

pectinus

O: pubis
I: posterior femur
A: adducts, flexes and medially rotates thigh

rectus femoris

O: anterior inferior illia spine
I: patella
A: extends lower leg, flexes thigh

vastus lateralis

O: linea aspea
I: patella
A: extends lower leg, stabilizes knee

Vastus medius

O: linea aspea
I: patella
A: extends lower leg

vastus intermedius

O: proximal femur
I: patella
A: extends lower legs

sartorius

O: anterior superior illiac spine
I: tibia
A: flexes, abducts and laterally rotates thigh, flexes lower leg

tensor fasciae latae

O: illia crest, anterior superior illiac spine
I: illiotibial tracts
A: flexes, abducts and medially rotates thigh

graciilis

O: pubis
I: medial tibia
A: adducts, flexes, medially rotates thigh

biceps femoris

O: ischial tuberosity
I: fibula and tibia
A: extends thigh and flexes lower leg

semimembranosus

O: ischial tuberocity
I: medial condyl of tibia
A: extends thigh, flexes lower leg

semitendanosis

O: ischial tuberosity
I: medial aspect of proximal tibia
A: extends thigh, flexes lower leg

gastrocnemius

O: medial and later condyles of femur
I: achelles tendon
A: flexes lower leg

soleus

O: head of fibula and tibia
I: calcaneal tendon
A: plantarflexes foot

tibialis anterior

O: lateral condyle of tibial shaft
I: first cuneiform and first metatarsals
A: dorsiflexes and inverts foot

fibularis longus

O: head of fibula
I: first metatarsal
A: plantarflexion and foot eversion