Origin- Temporal Fossa 

Insertion(s) - Cronoid process and ramus of the mandible

 Action - Elevation of the mandible

O - Maxialla and the anterior portion of the zygomatic arch

I - Angle of the ramus of the mandible

A - elevates the mandible

O- Medial Wall of the orbit of the eye

I - Medial wall of the orbit of the eye

A- Closes eye

O- Insertion of the Mouth

I- Skin at the corner of the mouth

A- Closes and protrudes lips

O- Zygomatic Bone

I- Upper lip 

A- Elevates upper lip

O- The sternum and the clavicle

I - the mastoid process of the temporal bone

A - elevates sternum during breathing

O- Infraspinous fossa of the scapula

I- the greater tubercle of the humerus

A - laterally rotates arm at shoulder joint

O- supraspinous of the fossa

I- greater tubercle of the humerus

A- abducting arm

O- inferior lateral border of the scapula

I- greater tubercle of the humerus 

A - rotates shoulder joint

O - Ribs 3-5

I - the coracoid process of the scapula

A - elevates ribs

O - Spines of T2 - T5

I- The vertebra border of the scapula, inferior to the spine

A - elevates the scapula

O - Spinous processes of C7-T1

I- The vertebral border of the scapula, superior of the spine

A- elevates the scapula

O- the transverse processes of C1 - C4

I- the superior angle of the scapula

A- elevates the scapula

O - the lateral epicondyle of the humerus

I- the lateral surface of the proximal third of the radius

A - rotates forearm 

O- the medial epicondyle of the humerus and the coronoid process of the ulna

I -  the mid-lateral surface of the radius (below the supinator)

A - flexes the elbow joint weakly

O- Radial groove just inferior to the deltoid tuberosity on the anterior surface of the humerus

I- the coronoid process of the ulna

A - flexes forearm at elbow

O- The lateral border of the distal end of the humerus 

I- the styloid process of the radius

A- flexes forearm at elbow joint

O- inferior margin of glenoid fossa, lateral posterior surface of the humerus and the posterior surface of humerus

I- olecranon of ulna

A- extends forearm at elbow joint

O- superior margin of the glenoid fossa 

I- the radial tuberosity of the radius

A - flexes arm at shoulder joint

O- spoinous process of T6-L5. the iliac crest. the sacrum. ribs 9-12.

I - the intertubercular sulcus of the humerus

A - extends shoulder joint

O- The clavicle, sternum and costal cartilage of ribs 2-6

I- the lateral surface and greater tubercle of the humerus

A- adducts at the shoulder joint

O- iliac fossa and the sacrum

I- the lesser trochanter of the femur

A- extension of thigh at hip joint

O- Ilium

I- the greater trochanter of the femur

A- rotation of thigh

O- the ilium

I- the greater trochanter of the femur

A- rotation of the thigh

O-iliac crest, the sacrum and the coccyx

I- the gluteal tuberosity of the femur

A - rotation of thigh

O- the head of the fibula and the medial shaft of the tibia

I- the calcaneus by the way of the Achilles tendon

A- plantar flexes foot at ankle joint

O- the medial and lateral condyles of the femur

I- the calcaneus by way of the achilles tendon

A- plantar flexes foot at ankle joint

O- the lateral condyle

I - the first metatarsal and medial cuneiform

A- inversion of foot

O- linea aspera of femur

I- tibial tuberosity via the patellar ligament

A- flexion of thigh

O- greater troachanter and linea aspera of femur

I- tibial tuberosity via the patella ligament

A- flexion of thigh

O- AIIS

I-tibial tuberosity via the patellar ligament

A- flexion of thigh

O- pubic arch and symphysis pubis

I-  the medial surface of the proximal surface of the tibia

A- adducts thigh

O- ischial tuberosity, linea aspera of the femur

I- lateral condyle of the tibia

A- flexion of leg

O- ASIS 

I- medial surface of the proximal shaft of the tibia

A- thigh rotation

O- the clavicle, the acromion and the spine of the scapula 

I- deltoid tuberosity

A- rotate arm at shoulder joint

O- pubic crest and symphysis pubis