origin Insertion of muscles(SHOULDER HIP)

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Anonymous
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186401
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origin Insertion of muscles(SHOULDER HIP)
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2012-12-01 13:46:40
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Hip shoulder muscles
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hip shoulder muscles origin and insertions
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  1. Trapezius
    • O: upper(ascending part): occipital bone, nuchal ligament, and T1 to T3 midline
    •     Lower (descending part): T4 to T12
    • I: Upper part: udder edge of the spine of scapula, acromion and lateral 3rd of clavicle
    •     Lower part: lower edge of medial part of spine of scapula
    • A: Upper: retraction
    •      Lower: Elevation
    • INN: Cranial nerve 11
  2. Latissimus dorsi
    • O: spinous process of T7 to sacrum and posterior illio crest; lower 4 ribs; and occasionally tip of scapula
    • I: posterior(medial) edge of bicipital groove
    • A;adduction, extension and medial rotation of humerous; raises body towards arms during climbing
    • INN: thoracodorsal nerve
  3. Levator scapulae
    • O: posterior tubrcles of first 4 cervicle vertebrae
    • I: upper medial corner of scapula
    • A: elevation and tilts glenoid cavity infereiorly
    • INN: dorsal scapular nerve
  4. Rhomboid minor
    • O: C4 spinous process of 4th cervical to T5 spinous process
    • I:along the medial border of scapula
    • A: retraction and tilts glenoid cavity infereiorly
    • INN: dorsal scapular nerve
  5. Rhomboid major
    • O: C4 spinous process of 4th cervical to T5 spinous process
    • I:along the medial border of scapula
    • A: retraction and tilts glenoid cavity infereiorly
    • INN: dorsal scapular nerve
  6. Serratus anterior
    • O: side of front of first 8 ribs
    • I: Medial border of scapula
    • A: protraction
    • INN: long thoracic nerve
  7. Supraspinatus
    • O: supraspinous fossa
    • I: greater tubercle (superior aspect)
    • A: Initiates abduction of humerous
    • INN: suprascapular nerve
  8. Infraspinatus
    • O: upper part of the infraspinous fossa
    • I: back of the greater tubercle; above teres minor
    • A: external(lateral) rotation of humerous
    • INN: suprascapular nerve
  9. Teres minor
    • O: lower part of inraspinous fossa
    • I: back of greater tubercle; below infraspinatus
    • A: external (lateral) rotation
    • INN: axillary nerve
  10. Teres major
    • O: lower border of scapula
    • I: medial (posterior) crest of bicipital groove
    • A: adduction and medial ( internal) rotation of arm
    • INN: lower subscapular nerve
  11. Subscapularis
    • O: subscapular fossa
    • I: lesser tubercle
    • A: alone: internal (medial) rotation and adduction of arm
    •      Together with 3 short muscles: holding the humerous head and glenoid fossa together
    • INN: upper and lower subscapular nerve 
  12. Deltoid muscle
    • O: spine of scapula; acromion; lateral 3rd of clavicle
    • I: deltoid tuberosity 
    • A: anterior part: flexion
    •      posterior part: extension
    •      Lateral part: abduction
    • INN: axillary nerve
  13. Biceps brachii
    • O: long head: supraglenoid tubercle 
    •      short head: coracoid process
    • I: tuberosity of radius
    • A: flexion of elbow; supination of forearm; short head resists dislocation of shoulder
    • INN: musculocutaneous nerve
  14. Coracobrachialis
    • O: coracoid process
    • I: medial surface of humerous
    • A: flexion and adduction of shoulder joint
    • INN: musculocutaneous nerve
  15. pectoralis minor
    • O: 3rd to 5th rib
    • I: soracoid process
    • A:depression
    • INN: medial pectoral nerve
  16. Pectoralis major 
    • O: medial 3rd of clavicle; front of sternum; front of first 6 costal cartilages
    • I:anterior edge (lateral lip) of bicipital groove
    • A: adduction and internal rotation (medial) rotation of humerous, flexion
    • INN: lateral (lower part) and medial pectoral(upper part) nerve
  17. Triceps brachii
    • O: long head: infraglenoid tubercle 
    •      lateral head: posterior surfave
    •      Medial Head: posterior surface
    • I: olecranon of ulna
    • A: extension of forarm; long head resists dislocation of shoulder joint
    • INN: radial nerve
  18. Gemellus superior
    • O: ischial spine;
    • I: medial surface of greater trochanter of femur
    • A:lateral rotation of extended thigh; abduction of flexed thigh; keep femoral head in acetablum
    • INN: Nerve to obturator internus (L5,S1)
  19. Gemellus inferior
    • O: ischial tuberosity
    • I: medial surface of greater trochanter of femur
    • A:lateral rotation of extended thigh; abduction of flexed thigh; keep femoral head in acetablum
    • INN: Nerve to quadratis Femoris (L5,S1)
  20. Piriformis
    • O: anterior surface of sacrum and sacrotubrous ligament
    • I: superior border of greater trochanter of femur
    • A:lateral rotation of extended thigh; abduction of flexed thigh; keep femoral head in acetablum
    • INN: branches of ventral rami of S1 & S2
  21. Obturator Internus
    • O: pelvis surface of obturator membrane and surrounding bones
    • I: medial surface of greater trochanter of femur
    • A:lateral rotation of extended thigh; abduction of flexed thigh; keep femoral head in acetablum
    • INN: nerve to obturator internus (L5,S1)
  22. Obturator Externus
    • O: Outer surface of obturator membrane and outer surface of the bony margin of the obturator foramen
    • I: trochanteric fossa of femur
    • A: laterally rotate thigh; steadies head of femur in acetabulum
  23. Quadratus femoris
    • O:lateral border of the ishial tuberosity 
    • I: quadrate tubercle and the area below it
    • A: laterally rotate thigh (strong)
    • INN: nerve to quadratus femoris(L5&S1)
  24. Semimembranosus
    • O: Ishial Tuberosity
    • I:posterior part of medial condyle of tibia 
    • A: extend the thigh and flex the leg; medially rotate the leg
    • INN:tibial division od sciatic nerve
  25. Semitendinosus
    • O: Ishial Tuberosity
    • I: Medial part of superior part of tibia
    • A: extend the thigh and flex the leg; medially rotate the leg
    • INN:tibial division od sciatic nerve
  26. Biceps Femoris long head
    • O: ishial tuberosity
    • I:lateral side of head of fibula
    • A: extend the thigh and flex the leg; rotates leg laterally 
    • INN: tibial division of sciatic nerve 
  27. Biceps femoris short head
    • O: linea aspera
    • I:lateral side of head of fibula
    • A: extend the thigh and flex the leg; rotates leg laterally
    • INN: fibular division of sciatic nerve
  28. Gluteus maximus
    • O: back of illium; dorsal surface of sacrum and sacrotuberous ligament
    • I: illiotubial tract and gluteal tuberosity of femur
    • A: extends thigh and assists lateral rotation
    • INN:inferior gluteal nerve
  29. Gluteus minimus
    • O: external surface of illium between the anterior and inferior gluteal lines 
    • I: anterior surface of greater trochanter of femur 
    • A: abducts and medially rotates thigh; keeps pelvis level when opposite leg is raised
    • INN: superior gluteal nerve (L5&S1)
  30. Gluteus Medius
    • O: external surface of illium between anterior and posterior gluteal lines
    • I: lateral surface of greater trocanter of femur
    • A: abducts and medially rotates thigh; keeps pelvis level when opposite leg is raised
    • INN: superior gluteal nerve (L5&S1)
  31. Tensor of Fascia Lata
    • O: illiac crest
    • I: illiotibial tract
    • A: abducts, medial rotates and flexes thighs; helps keep knee extended; seadies trunk on thigh
    • INN: superior gluteal nerve (L2,L3)
  32. Iliopsoas
    • O: illiacus: illiac crest, illiac fossa
    •      Psoas Major: side of T12-L5 vertebrae and transverse process of all lumbar vertebrae
    • I: lesser trochanter of femur
    • A: flex thigh; stabilize hip joint
    • INN: illiacus: femoral nerve
    •          Psoas major: ventral rami (L1,L2, & L3)
  33. Rectus femoris
    • O: AIIS and Ilium superior to acetabulum
    • I: base of patella and by patellar ligament to tibial tuberosity
    • A:extends the knee; assists iliopsoas to flexes the hip joit; steadies hip joint
    • INN: femoral nerve
  34. Sartorius
    • O: ASIS and upper half of notch below spine
    • I: superior part of the medial surface of the tibia 
    • A: flexion, abduction and lateral rotation of the thigh at hip joint; flexion of leg at knee joint
    • INN: femoral nerve
  35. Adductor Magnus
    • O: Adductor: inferior ramus of pubus, rami of ishium
    •      hamstring: ischial tuberosity
    • I: adductor: gluteal tuberosity, linea aspera, medial supracondylar line
    •    hamstring: adductor tubercle of femur
    • A: adductor: adducts thighs
    •      Hamstring: extends thigh
    • INN: adductor: posterior division of obturator nerve
    •         Hamstring: tibial part of sciatic nerve
  36. Adductor Longus
    • O: body of pubis inferior to pubic crest
    • I:middle third of linea aspera (just above adductor hiatus)
    • A: adducts and flexes the thigh
    • INN: anterior division of obturator nerve
  37. Adductor Brevis
    • O: body of inferior ramus of pubus
    • I: pectineal line and proximal part of linea aspera of femur
    • A: adducts thigh and to some extent flexes it 
  38. Pectineus
    • O: supeior pubic ramus
    • I: pectineal line of femur
    • A: adducts thigh; assists with medial rotation of thigh
    • INN: femoral nerve usually ; may recieve a branch from obturator nerve
  39. Gracilis
    • O: body and inferior ramus of pubus
    • I: superior part of medial surface of tibia
    • A:adducts thigh, flexes leg; helps rotate it medially
    • INN: Obturator nerve 
  40. Lateral Rotators (Thigh)
    • Piriformis
    • Supeior gemellus
    • Obturator internus
    • obturator externus
    • inferior gemellus
    • quadratus femoris
  41. the flexors (thigh)
    • Illiacus
    • Psoas major
    • rectus femoris
    • sartorius
  42. the extensors (Thigh)
    • Gluteal maximus
    • biceps femoris
    • semimembronosus
    • semitensinosus
  43. the adductors (thigh)
    • adductor brevis
    • adductor magnus
    • adductor longus
    • pectineus
    • gracili
  44. the abductors (thigh)
    • gluteal minimus
    • gluteal medius
    • tensor facia lata 
  45. roator cuff
    • supraspinatus
    • infraspinatus
    • teres minor
    • subscapularis 

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