Action: closes, purses and protrudes the lips

Origin: Maxilla & Mandible 

Insertion: Muscle and skin of the angles of the mouth

Action: agonist in elevating the mandible

Origin: zygomatic arch and maxilla 

Insertion: angle of the mandible

Action: head and neck flexion, rotation of the head

Origin: Manubrium of sternum and clavicle 

Insertion: Mastoid process of temporal bone and occipital bone

Action: agonist in arm abduction, flexion and medial rotation of humerus

Origin: Insertion of trapezius, clavicle, acromion, spine of scapula 

Insertion: Deltoid tuberosity of humerus

Action: agonist in arm flexion, adducts arm, rotates arm medially

Origin: clavicle, sternum, cartilage of ribs 1-6 

Insertion: intertubercular groove of the humerus

Action: medially rotates and adducts the humerus, synergist of lattismus dorsi

Origin: posterior surface of the scapula 

Insertion: Intertubercular groove of the humerus

Action: flex and rotate lumbar region

Origin: pubic crest and pubic symphysis

Insertion: xiphoid process and costals

Action: adducts and extends arm, depresses scapula

Origin: spines of T6-T12, lumbar vertebrae, lower ribs, iliac crest 

Insertion: intertubercular groove of the humerus

Action: elbow flexion, forearm supination

Origin: short head-coracoid process, long head-glenoid cavity and intertubercular groove

Insertion: radial tuberosity

Action: agonist in forearm extension

Origin: Long head-scapula, lateral head-posterior humerus, medial head-posterior humerus

Insertion: Olecranon process of the ulna

Action: Flexor of forearm

Origin: Front of distal humerus

Insertion: Coronoid process of ulna

Action: Extends knee, Flexion of thigh at hip

Origin: Anterior inferior iliac spine, acetabulum

Insertion: Patella, tibial tuberosity via the patellar tendon

Action: Flexes, abducts & laterally rotates the thigh

Origin: Anterior superior iliac spine 

Insertion: medial and proximal aspect of tibia

Action: Adducts, flexes & medially rotates the thigh, aids in knee flexion

Origin: Inferior ramus, body of pubis, ischial ramus 

Insertion: Medial surface of tibia

Action: Thigh extensor, laterally rotates and abducts the thigh

Origin: Dorsal ilium, sacrum, & coccyx 

Insertion: Gluteal tuberosity of femur

Action: Extends thigh, flexes knee, lateral rotation of leg

Origin: Ischial tuberosity, linea aspera of femur 

Insertion: Head of fibula, lateral condyle of tibia

Action: Plantar flexion

Origin: Medial & lateral condyles of femur 

Insertion: Calcaneus via the achilles tendon

Action: Agonist in dorsiflexion, inversion of the foot

Origin: Lateral condyle and shaft of tibia 

Insertion: Medial cuneiform, first metatarsal via tendon

1.Buccinator

2.Masseter

3.Temporalis

1.Diaphragm

2.External Intercostals

3.Internal Intercostals