Muslces

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Author:
servinggod247
ID:
181161
Filename:
Muslces
Updated:
2012-11-04 20:19:07
Tags:
anatomy
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Description:
anatomy
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  1. Temporalis
    • Origin: Temporal fossa
    • Insertion: Coronoid process of mandible
    • Action : Closes jaw
  2. Masseter
    • Origin: Zygomatic arch and maxilla
    • Insertion: Angle and ramus of mandible
    • Action: Prime mover of jaw closure
  3. Trapezius
    • Origin: occipital bone; ligamentum nuchae; spines of c7 and all thorasic vertebrea 
    • Insertion: Scapula and clavical 
    • Action: Extends head
  4. Deltoid
    • Insertion: clavical (front) back (scapula)
    • Origin:  humerous
    • Action: prime mover of arm abduction
  5. Triceps brachii
    • Origin: humerous
    • Insertion: ulna
    • Action: forearm extensor
  6. Biceps brachii
    • Origin: coracoid process
    • Insertion: radial tuberosity
    • Action: flexion of elbow
  7. Brachialis
    • Origin: humerous
    • Insertion: ulna
    • Action: A major flexor of forearm
  8. Pronator teres
    • Origin: Humerus
    • Insertion: radius
    • Action: pronate forearm
  9. Brachioradialis
    • Origin: humerus
    • Insertion: radius
    • Action: synergist in forearm flexion 
  10. Flexor carpi radialis
    • Origin: Humerus
    • Insertion: Metacarples
    • Action: Powerful flexor of wrist
  11. Palmaris longus
    • Origin: humerus
    • Insertion: palmar aponeurosis
    • Action: flexes wrist
  12. Iliopsoas
    • Origin: sacrum
    • Insertion: Femur
    • Action: flex thigh
  13. Pectineus
    • Origin: pubis
    • Insertion: femur
    • Action: Adducts, flexes, and medially rotates thigh
  14. Rectus femoris
    • Origin: iliac spine
    • Insertion: patella
    • Action: extends knee
  15. Vastus lateralis
    • Origin: linea aspera
    • Insertion: patella
    • Action: stablizes knee
  16. Vastus medialis
    • Origin: linea aspera
    • Insertion: patella
    • Action: Extends knee
  17. Extensor digitorum longus
    • Origin: fibula
    • Insertion: phalanges of toes
    • Action: prime mover of toe extension
  18. Tibialis anterior
    • Origin: tibia
    • Insertion:metatarsal
    • Action: inverts foot
  19. Soleus
    • Origin: fibula
    • Insertion: calcaneus
    • Action: Plantar flexion
  20. Gastrocnemius
    • Origin: femur 
    • Insertion: Calcaneus
    • Action: Plantar flexion
  21. Gracilis
    • Origin: pubis
    • Insertion: tibia
    • Action: Adducts thigh
  22. Adductor longus
    • Origin: pubis
    • INsertion: linea aspera
    • Action: adduct and medially rotate and flex thigh
  23. Sartorius
    • Origin: iliac spine
    • Insertion: tibia
    • Action: flexes knee
  24. Tensor fasciae latae
    • Origin: iliac spine
    • Insertion: iliotibial tract 
    • Action: Stedies trunk
  25. Transversus abdominis
    • Origin: Inguinal ligament, iliac crest, cartilages of last five ribs, and lumbar fascia
    • Insertion: Linea alba and pubic crest 
    • Action: Compresses abdominal contents
  26. Internal oblique
    • Origin: Lumbar fascia, iliac crest, and indguinal ligament
    • Insertion: Linea alba, pubic crest, and ribs
    • Action: trunk toation and lateral flexion
  27. External oblique
    • Origin: ribs
    • Insertion: Linea alba, pubic crest and tubercles, and iliac crest
    • Action: compresses abdominal wall
  28. Rectus abdominis
    • Origin: Pubic crest and symphasis
    • Insertion: ribs 
    • Action: Flexes and rotates vertebral column
  29. Intercostals
    • Origin: rib
    • INsertion: rib
    • Action: elevate and debress rib cage
  30. Serratus anterior
    • Origin: Ribs
    • Insertion: Scapula
    • Action: Prime mover to protract and hold scapula against chest wall; Rotates scapula
  31. Pectoralis major
    • Origin:  sternum
    • Insertion:  humeros
  32. Pectoralis minor
    • Origin: ribs
    • Insertion: Scapula 
    • Action: With ribs fixed, draws scapula forward and inferiorly
  33. Sternocleidomastoid
    • Origin: Manubrium of sternum and medial portion of clavical 
    • Insertion: Mastoid process of temporal bone and superior nuchal line of occipital bone
    • Action: flexion of neck forward
  34. Sternohyoid
    • Origin: clavical 
    • Insertion: hyoid bone
    • Action: depresses larynx and hyoid bone
  35. Platysma
    • Origin: Fascia of chest (over pecs) and deltoid
    • Insertion: Lower margin of mandible, skin, and muslces at corner of mouth
    • Action: Tenses skin of neck
  36. Orbicularis oris
    • Origin: Arises indirectly from maxilla and mandible
    • Insertion: encircles mouth
    • Action: Closes lips
  37. Zygomaticus
    • Origin: Zygomatic bone
    • Insertion: Skin and muscle at corner of mouth
    • Action: raises lateral corners of mouth upward
  38. Orbicularis oculi
    • Origin: Frontal and maxillary bones and ligaments around orbit
    • Insertion: Encircles orbit and inserts in tissue of eyelid
    • Action: closes eyes
  39. Epicranius, frontal belly
    • Origin- galea aponeurotica (cranial aponeurosis)
    • Insertion- skin of eyebrows and root of nose
    • Action: raises eyebrows
  40. Triceps brachii
    • Origin: humerous
    • Insertion: ulna
    • Action: A major flexor of forearm
  41. Brachialis
    • Origin: Humerous 
    • Inserton: ulna
    • Action: A major flexor of forearm
  42. Brachioradialis
    • Origin: Humerous
    • Insertion: Radius
    • Action: Synergist in forearm flexion
  43. Extensor carpi radialis longus
    • Origin: humerus
    • Insertion: metacarple
    • Action: Extends and abducts wrist
  44. Flexor carpi ulnaris
    • Origin: ulna 
    • Insertion: metacarples
    • Action: adducts hand
  45. Extensor carpi ulnaris
    • Origin: ulna
    • Insertion: metacarples
    • Action: extends and abducts wrist
  46. Extensor digitorum
    • Origin: humerous
    • Insertion: phalanges
    • Action: flare fingers
  47. Iliotibial tact
  48. Fibularis longus
    • Origin: fibula
    • Insertion: metatarsals
    • Action: everts foot
  49. Calcaneal tendon
    (Alchilles tendon)
  50. Semimembranosus
    • Origin: isheal tuberosity
    • Insertion: femur
    • Action: extends thigh
  51. Semitendinosus
    • Origin: Ischial tuberosity
    • Insertion: femur
    • Action: extends thigh
  52. Biceps femoris
    • Origin: femur
    • INsertion: tibia
    • Action: extends thigh
  53. Adductor magnus
    • Insertion: ishal tuberosity
    • INsertion: femur
    • Action: adduct, medially rotate, and flex thigh
  54. Gluteus maximus
    • Origin: coccyx
    • INsertion: femur 
    • Action: powerful thigh extensor
  55. Gluteus medius
    • Origin: ilium
    • Insertion: femur
    • Action: Abducts and medially rotates thigh
  56. Latissimus dorsi
    • Origin: thorasic vertebrea, lumbar vertebrae, ribs, iliac crest
    • Insertion: humerus
    • Action: Prime mover of arm extension
  57. Rhomboid major 
    • Origin: vertebrea
    • Insertion: scapula
    • Action: stabalize scapula
  58. Teres major
    • Origin: scapula
    • Insertion: humerous
    • Action: extends, medially rotates, and adducts humerus
  59. Infraspinatus
    • Origin: scapula
    • Insertion: humerous
    • Action: stabalizes shoulder
  60. Epicranius, occipital belly
    • Origin: occipital and temporal bones
    • Insersion: galea aponeurotica
    • Action: fixes aponeurosis and pulls scalp postarily

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