muscles

Muscle 1

100

Origin: Posterior iliac crest, spinous processes of t7-s5,

posterior aspect of ribs 9-12, and inferior angle of the scapula

Insertion: medial lip of the intertubecular groove

Latissimus dorsi

200

O: medial border of the scapula above the scapulas spine

I transverse process of c1-c4

Levator scapulae

300

origin: spinous processes of t2-t5

I: medial border of the scapula below the scapular spine

rhomboid major

400

the origin and insertion of quadratus lumborum

origin: posterior iliac crest and ilo lumbar ligament

I: transverse process of L1-L4 and 12th rib

500

Erector spinae muscles

ilocostalis

longissimus

spinalis

Muscles 2

100

subscapularis

o: sub scapular fossa

I: lesser tubercle of the humerus

200

action of the subscapularis

medial rotation and adduction of the arm at the glenohumeral joint and stabilization of the humerus

300

iliacus

o: iliac fossa

I: lesser trochanter of the femur

400

pectoralis major

o: medial 1/2 of the clavicle, anterior sternum and cartilage of ribs 1-6

I: lateral lip of the interbubecular groove of the humerus

500

action of the pectoralis major

medial rotation, adduction, and flexion of the arm at the glenohumeral joint

Muscle 3

100

o and I of opponent pollicis

o: flexor retinaculum and trapezuim

I: shaft of the first metacarpal

200

the origin and Insertion of abductor digiti minimize

O: flexor retinaculum and pisiform

I: proximal phalanx of the fifth digit

300

O: lateral supracondylar ridge of the humerus

I: styloid process of the radius

brachioradialis

400

O: distal half of anterior humerus

I: coronoid process and tuberosity of the ulna

A: flexion of the forearm math the elbow

brachial

500

gastrocnemius origin, insertion and action

O: lateral and medial condyle of the femur

I: calcanea tuberosity via the calcanea tendon

a: plantar flexion of the foot at the talocural join and flexion of the leg at the knee

Muscles 4

100

sartorius o,a,i

O: asis

I: anterior medial primal tibia at he pes anserinus

A: flexion and medial rotation of the leg at the knee, flexion, abduction and lateral rotation of the thigh at the hip

200

O: ASIS

I: ilotibial band

A: flexion, abduction and medial rotation of the thigh at the hip

Tensor Fascial Latae

300

O: lateral lip of the Lina aspera, inferior greater trochanter, and gluteal tuberosity

I: tibial tuberosity via the patellar ligament

A: extension of the leg at the knee and mild lateral rotation of the leg at the knee

Vastus lateralis

400

gracilis

O: body and inferior ramus of the pubis

I: anterior medial proximal tibia ath e pes anserinus

A: adduction and flexion of the thigh at the ilofemoral joint and flexion and medial rotation of the leg at the tibiofemal joint

500

O: posterior iliac Crest, lateral posterior aspect of the sacrum and coccys

I: itt and gluteal tuberosity of the femur

A: extension, abduction and lateral rotation off the thigh at the hip

gluteus maximus

Muscle 5

100

Piriformis

O: anterior aspect of S2, S3, and S4

I: greater trochanter

A: lateral rotation and abduction of the thigh at the ilofemoral joint

200

O: anterior bodies of C3-T3

I: anterior aspect of C1-C7

A flexion, lateral flexion, and opposite side rotation of the head and neck

Longus Colli

300

SCM

Sternocleidomastoid

O: manubrium and medial 1/3 of the clavicle

I: superior nuchal line of the occiput and mastoid process of the temporal bone

A:both heads: lateral flexion and opposite side rotation of the head and neck, sternal:flexion of the neck and head, clavicular: extension of the neck and head

400

Temporalis OIA

O: temporal fossa of the frontal, parietal, sphenoid and temporal bones

I: coronoid process of the mandible

A: elevates the mandible and retraction of the mandible

500

O: transverse processes of C5-C7

I: second rib

A: lateral flexion and same side rotation of the head and neck as well as elevation of the 2nd rib

Posterior Scalene