A OI

Trapezius

Origin- occipital bone, thoracic vertebrae Insertion-scapula

Elevates retracts upwardly rotates scapula extends neck,

Latissimus Dorsi

Origin- thoracic and lumbar vertebrae Insertion-humerus

Extends adducts and medially rotates arm at shoulder

External oblique

Origin- lower ribs Insertion- ilium ,pubis, Linea alba

Flexes and rotates vertebral column compresses abdomen

Internal oblique

Origin- lumbar vertebrae,ilium Insertion- pubis, linea alba, sternum ,lower ribs

Flexes and rotates vertebral column compresses abdomen

Rectus abdominis

Origin- pubs Insertion- lower ribs , sternum

Flexes vertebral column compresses abdomen

Transverse abdominis

Origin- lower ribs , ilium, lumbar vertebrae Insertion - pubis, linea alba

Compresses abdomen

Infraspinatus

Laterally rotates shoulder

Scapula origin

Subscapularis

Medically rotates shoulder, stabilizes shoulder joint

Scapula , humerus

Supraspinatus

Abducts shoulder stabilized joint

Scapula, humerus

Teres minor

Laterally rotates shoulder

Scapula, humerus

Pec major

Origin- sternum clavicle Insertion - humerus

Flex, adducts, medially rotates arm at shoulder

Pec minor

Origin- ribs Insertion - scapula

Elevates ribs, moves scapula anterior and inferior protecting and elevating shoulder

Deltoid

Origin- clavicle, scapula Insertion- scapula

Abducting the arm at the shoulder flexing and extending the arm at the shoulder

Bicep brachi

Origin - scapula Insertion- radius

Flexes arm at elbow

Tricep brachi

Origin - humerus , scapula Insertion- radius

Extending arm at elbow

Glute max

Origin - ilium sacrum coccyx Insertion- femur, iliotial band

Extending thigh at hip rotating thigh laterally

Glute med and min

Origin- ilium Insertion - femur

Rectus femoris

Origin- ilium Insertion- tibia

Extending leg at the knee, flexes hip

Vastus intermedius, lateral lie, mediallis

Origin- femur Insertion- tibia

Extending leg at the knee

Bicep femoris

Origin- Ishium Insertion- femur

flexing the leg at the knees extending the thigh at the hip

Semimenbranous and semitendinous

Origin- ishium Insertion- tibia

Flex knee at the leg extend thigh at hip

Gastronemius

Origin femur Insertion calcaneus

Plantar flexing

Soleus

Origin- femur and tibia Insertion- calcaneus

Tibialias anterior

Origin - tibia Insertion- first metatarsal

Dorsiflexing foot at the ankle inverting foot