Gluteus Maximus

O- Iliac Crest

I- Lateral linea aspera

A- Extends thigh at hip

Gluteus Medius

O- Illium

I- Greater trochanter of femur

A- Abducts thigh at hip joint

Gluteus Minimus

O- Ilium

I- Greater Trochanter of Femur

A- Abducts thigh at hip

Tensor Fascie latae

O-Iliac crest

I- Tibia

A- Flexes and abducts thigh at hip

Piriformis

O- Anterior Sacrum

I- greater trochanter of femur

A- Laterally rotates and abducts thigh at hip

Semimembranosus

O- Ischial tuberosity

I- Medial condyl of tibia

A- Flexes leg at knee and extends thigh at hip

Semitendinosis

O- Ischial tuberosity

I- Proximal/medial surface of tibial shaft

A- Flexes leg at knee and extends thigh at hip

Long Head Bicep Femoris

O- Ischial tuberosity

I-Head of fibula

A- Extends thigh at hip

Short Head bicep femoris

O- Linea aspera

I- Head of fibula

A- Flexion of leg at knee

Pectineus

O- Pubis

I- Inferior to lesser trochanter

A- Flexes and adduct thigh at hip

Adductor Brevis

O- Pubis

I- Superior linea aspera

A- Adducts and flexes thigh at hip

Adductor Longus

O- Pubic symphysis

I- Linea Aspera

A- Adducts and flexes thigh at hip

Adductor Magnus

O- Pubis

I- Linea aspera

A- Adducts (extends and flexes) thigh at hip

Gracilis

O- Pubis

I- Tibia

A- Adducts thigh at hip

Iliacus (of the iliopsoas)

O- Sacrum

I- Lesser trochanter of femur

A- Flexes thigh at hip

Psoas major (of the iliopsoas)

O- transverse processes (and boy) of lumbar vertebrae

I- Lesser trochanter of femur

A- Flexes thigh at hip

Sartorius

O- Anterior/superior iliac crest (spine)

I- Tibia (medial surface)

A- Laterally rotates thigh at hip

Rectus Femoris

O- Anterior/inferior iliac crest (spine)

I- Patella (via quadricep tendon)

A- Extends leg at knee

Vastus Lateralis

O-greater trochanter

I- Patella (via quadricep tendon)

A- extend leg at knee

Vastus Intermedius

O- Femur

I- Patella

A- Extend leg at knee

Vastus Medialis

O- Linea Aspera

I- Patella

A- Extend leg at knee

Tibialis Anterior

O- Lateral condyl of tibia

I- first metatarsal

A- Dorsiflexion of foot

Extensor digitorum longus

O- tibia (lateral condyl)

I- middle and distal phalanges of toes 2-5

A- dorsiflexion of foot and toe extension

Fibularis Longus

O- Fibula (head and body)

I- First metatarsal and first cunieform

A- plantarflexes foot at ankle

Fibularis Brevis

O- Fibula (body)

I- Base of 5th metatrasal (underside of pinky toe)

A- Plantarflexion of foot

Extensor hallicus longus

O- fibula (anterior surface)

I- distal phalanx of great toe

A- Big toe extension

Tibialis Posterior

O- Tibia and Fibula

I- 2nd, 3rd, and 4th metatarsals

A- plantarflexion of foot

Flexor Digitorum longus

O- tibia (posterior surface)

I- distal phalange of toes 2-5

A- flexes toes 2-5

Plantaris

O- Femur

I- calcaneus

A- flexes leg at knee

Gastrocnemius

O- lateral and medial condyles of femur

I- calcaneus

A- flexes leg at knee

Soleus

O- fibula (head) / tibia (medial border)

I- Calcaneus

A- plantarflexion of foot

Flexor Hallucis longus

O- fibula

I- distal phalanx of great toe

A- flexes distal phalanx of great toe

Supraspinatus

O- supraspinous fossa of scapula

I- Greater tubercle of humerus

A- shoulder abduction

Infraspinatus

O- infraspinous fossa of scapula

I- greater tubercle of humerus

A- lateral rotation of arm

Teres Minor

O- Lateral border of scapula

I- Greater tubercle of humerus

A- lateral rotation of arm

Subscapularis

O- subscapular fossa of scapula

I- lesser tubercle of humerus

A- medial rotation of arm

Subscapularis

Teres Major

O- inferior angle of scapula

I- bicipital groove (intertubercular groove)

A- arm extension at shoulder

Deltoid

O- acromial end of clavicle

I- deltoid tuberosity of humerus

A- lateral abduction of arm

Coracobrachialis

O- Coracoid process of scapula

I- humerus

A- flexes and adducts arm at shoulder

Pectoralis major

O- sternum

I- greater tubercle of humerus

A- adducts arm at shoulder

Pectoralis major

O- sternum

I- greater tubercle of humerus

A- adducts arm at shoulder

Biceps brachii

O- long= glenoid cavity / short= coracoid process of scapula

I- radial tiberosity of radius

A- flexes forearm at elbow

Brachialis

O- humerus

I- coronoid process of ulna

A- flexes forearm at elbow

Brachioradialis

O- humerus

I- superior to styloid process of radius

A- flexes forearm at elbow

Pronator Teres

O- medial epicondyle of humerus

I- radius

A- pronates forearm

Long head triceps brachii

O- inferior to glenoid cavity of scapula

I- Olecron process of ulna

A- extends forearm at elbow

Lateral Head triceps brachii

O- humerus

I- olecron process of ulna

A- extends forearm at elbow

Medial Head triceps brachii

O- humerus

I- olecron process of ulna

A- extends forearm at elbow

Anconeus

O- lateral epicondyle of humerus

I- olecron process of ulna

A extends forearm at elbow

Supinator

O- lateral epicondyle of humerus

I- radius

A- supinates forearm

Pronator Quadratus

O- Ulna

I- radius

A- pronates forearm at wrist

Flexor Carpi Ulnaris

O- medial epicondyle of humerus

I- pisiform, hamate, and base of 5th metacarpal

A- flexes and adducts hand at wrist

Flexor carpi ulnaris

O- medial epicondyle of humerus

I- pisiform, hamate, base of 5th metacarpal

A- flexes ad adducts hand at wrist

Flexor Carpi Ulnaris

O- medial epicondyle of humerus

I- pisiform, hamate, base of 5th metacarpal

A- flexes and adducts hand at wrist

Palmaris longus

O- medial epicondyle of humerus

I- palmar aponeurosis

A- flexes hand at wrist

Flexor carpi radialis

O- medial epicondyle of humerus

I- 2nd and 3rd metacarpals

A- flexes and abducts hand at wrist

Flexor digitorum superficialis

O- medial epicondyle of humerus

I- proximal phalanges

A- flexes fingers at knuckles

Flexor digitorum profundus

O- body of ulna

I- base of distal phalanges

A- flexes distal and medial phalanges

Extensor carpi ulnaris

O- lateral epicondyle of humerus

I- 5th metacarpal

A- extends and adducts hand at wrist

Extensor digiti minimi

O- lateral epicondle of humerus

I- tendon of 5th finger

A- extends proximal phalange of little finger

Extensor digitorum

O- lateral epicondyle of humerus

I- distal and middle phalanges of each finger

A- extends distal and middle phalanges

Extensor carpi radialis longus

O- humerus

I- 2nd metacarpal

A- extends and adducts hand at wrist

Extensor carpi radialis brevis

O- lateral epicondyle of humerus

I- 3rd metacarpal

A- extends and adducts hand at wrist

Temporalis

O- temporal bone

I - coronoid process of mandible

A- elevates mandible

Masseter

O- Maxialla

I- ramus of mandible

A- elevates mandible (closes mouth)

Lateral pterygoid

O- pterygoid process (sphenoid)

I- Mandibular condle

A- protracts and depresses mandible

Digastic - anterior belly

O- inferior border of mandible

I- hyoid

A- opens mouth (depresses mandible)

Sternocleidomastoid

O- sternum/clavicle

I- mastoid process (of temporal bone)

A- lateral rotation and flexion of head

Splenius capitus

O- transverse processes of 1-6 thorasic vertebrae

I- occipital bone

A- extends head

Sternohyoid

O- manubrium of sternum/clavicle

I- body of hypoid bone

A- depresses hyoid bone

Omohyoid

O- scapula (superior border)

I- hyoid

A- depresses hyoid

Mylohyoid

O- mandible

I- hyoid bone

A- elevates hyoid bone

Stylohyoid

O- styloid process of temporal bone

I- hyoid

A- elevates hyoid

Diaphragm

O- xiphoid process of the sternum

I- central tendon

A- breathing

Pectoralis major

O- sternum

I- greater tubercle of humerus

A- adduct arm at shoulder

Pectoralis minor

O- robs

I- coracoid process of scapula

A- abducts scapula

Serratus anterior

O- superior 8 or 9 ribs

I- scapula (vertebral border and inferior angle)

A- abducts scapula

Trapezius

O- occipital bone

I- sine of scapula

A- scapula movement

Latissimus dorsi

O- crest of sacrum and ilium

I- bicipital groove

A- move arm inferiorly and posteriorly (like when rowing)

Rhomboidius major

O- spines of thorasic vertibrae

I- vertebral border of scapula

A- elevates and adducts scapula

Rhomboideus minor

O- spines of cervical vertebrae

I- vertebral border of scapula

A- elevates and adducts scapula

Illiocostalis (part of erector spinae)

A- keeps spine erect

Spinalis (part of erector spinae)

A- keeps spine erect

Levator scapulae

O- transverse processes of c1-c4

I- superior vertebral border of scapula

A- elevates scapula

External oblique

O- robs 5-12

I- iliac crest

A- abdominal compression

Internal oblique

O- iliac crest

I- cartilage of ribs 7-10

A- abdominal compression

Rectus Abdominus

O- pubic symphysis

I- xyphoid process and cartilage of 5-7 ribs

A- abdominal compression

Transversus abdominus

O- iliac crest

I- xyphoid process and pubis

A- abdominal compression