anatomy

Card Set Information

Author:
christa
ID:
48858
Filename:
anatomy
Updated:
2010-11-11 02:56:11
Tags:
muscles origin action insertion
Folders:

Description:
muscles
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user christa on FreezingBlue Flashcards. What would you like to do?


  1. flexor group of the arm
    o: medial epicondyle of hte jumerus via the common flexor tendon

    • a flexion of the wrist
    • a: flexion of the phalanges
    • a: ulnar deviation, flexor carpi ulnaris
    • a: radial deviation, flexor carpi radialis

    i: netacarpals, palmar apornerosis, 2nd and 3rd phalanges
  2. pronator teres
    • o: medial epicondyle of the humerus
    • o: common flexor tendon
    • o: coronoid process of the ulna

    • a: pronation of the forearm
    • a: assists in flexion of the elbow

    i: middle of the lateral shaft of the radius
  3. supinator
    • o: lateral epicondyle of the humerus
    • o: radial collateral ligament
    • o: annular ligament

    a: supination of the forearm

    i: proximal 1/3 of the radius
  4. anconeus
    o: lateral epicondyle of the humerus

    a: assists with extension of the elbow

    i: olecranon process and proximal shaft of the ulna
  5. extensor group
    o: lateral epicondyle of the humerus via the common extensor tendon

    • a: extension of the wrist
    • a: extension of the phalanges
    • a: ulnar deviation, extensor carpi ulnaris
    • a: radial deviation, extensor carpi radialis longus

    • i: extensor carpis: base of the metacarpals
    • i: extensor digitorum: 2nd and 3rd phalanges
  6. brachioradialis
    o: lateral supracondylar ridge of the humerus

    • a: flexes the elbow
    • a: assists in pronation and supination of the forearm when these movements are resisted

    i: styloid process of the radius
  7. coracobrachialis
    o: coracoid process of the scapula

    • a: flexes the shoulder
    • a: adducts the shoulder

    i: middle of the medial border of the humerus
  8. brachialis
    o: lower half of the anterior shaft of the humerus

    a: flexion of elbow, in all positions

    i: tuberosity and coronoid process of the ulna
  9. biceps brachii
    • o: short head: coracoid process of the scapula
    • o: long head: supraglenoid tubercle of the scapula

    • a: flexion of the elbow
    • a: supination of forearm
    • a: short head: flexion of humerus
    • a: long head: assists in abduction of the shoulder when the humerus is laterally rotated

    • i: radial tuberosity
    • i: bicipital aponeurosis
  10. triceps brachii - prone
    • o: long head: infraglenoid tubercle
    • o: lateral head: posterior surface of the proximal 1/2 of the hummerus
    • o: medial head: posterior surface of the distal 1/2 of the hummerus

    a: all heads: extend the elbow

    i: olecranon process of the ulna
  11. deltoid (anterior)
    o: anterior: lateral 1/3 of the clavicle

    • a: all fibers abducts the shoulder
    • a: anterior fibers flexes the shoulder
    • a: anterior fibers medially rotates the shoulder
    • a: anterior fibers horizontally adducts the shoulder

    i: deltoid tuberosity of the humerus
  12. pectoralis minor
    o: 3rd to 5th rib

    • a: depresses the scapula
    • a: abducts the scapula
    • a: tilts the scapula anteriorly
    • a: may act in forced inhalation

    i: coracoid process of the scapula
  13. pectoralis major
    • o: claviclar head: medial 1/2 of clavicle
    • o: sternal head: sternum
    • o: costal head: cartilage of ribs 1-6

    • sternal head
    • a: extends the shoulder
    • a: may assist in elevation the thorax in forces inhalation
    • a: assists in depression and protraction of the shoulder girdle

    • clavicular head
    • a: flexes the shoulder

    • all heads
    • a: adducts the shoulder
    • a: medially rotates the shoulder
    • a: horizontally adducts the shoulder

    i: crest of the greater tubercle and lateral lip of the bicipital groove of the humerus
  14. serratus anterior
    o: surfaces of the upper 8 or 9 ribs

    • a: abducts the scapula
    • a: depresses the scapula
    • a: holds the medial border of the scapula against the rib cage
    • a: may act in forced inhalation

    i: anterior surface of the medial border of the scapula
  15. latissimus dorsi
    • o: spinous processes of last six toracic vertebrae
    • o: last 3 or 4 ribs
    • o: thoracolumnar aponeurosis
    • o: posterior iliac crest

    • a: extends the shoulder
    • a: adducts the shoulder
    • a: medially rotates the shoulder
    • a: assists in depression of the shoulder girdle

    i: crest of the lesser tubercle and the medial lip of the bicipital groove of the humerus
  16. teres major
    o: lateral side of the inferior angle and lower half of the lateral border of the scapula

    • a: extends the shoulder adducts the shoulder
    • a: adducts the shoulder
    • a: medially rotates the shoulder

    i: crest of the lesser tubercle an the medial lip of the bicipital groove of the humerus
  17. teres minor
    o: superior half of the lateral border of the scapula

    • a: laterally rotates the shoulder
    • a: adducts the shoulder
    • a: extends the shoulder
    • a: horizontally abducts the shoulder
    • a: stabilizes the head of the humerus in the glenoid cavity

    i: greater tubercle of the facet
  18. infraspinatus
    o: infraspinatus fossa of the scapula

    • a: laterally rotates the shoulder
    • a: adducts the shoulder
    • a: extends the shoulder
    • a: horizontally abducts the shoulder
    • a: stabilizes the head of the humerus in the glenoid cavity

    i: greater tubercle of the humerus/middle facet
  19. supraspinatus
    o: supraspinatus fossa of the scapula

    • a: abducts the shoulder
    • a: stabilizes the head of the humerus in the glenoid cavity

    i: greater tubercle of the humerus/superior facet
  20. deltoid, middle and posterior
    • o: middle lateral acromion process
    • o: posterior: spine of the scapula

    • all fibers
    • a: abducts the shoulder

    • posterior fiber
    • a: extends the shoulder
    • a: laterally rotates the shoulder
    • a: horizontally abducts the shoulder

    i: deltoid tuberosity of the humerus
  21. levator scapula
    o: transverse processes of C1-C4

    • a: elevates the scapula
    • a: downwardly rotates the scapula
    • a: laterally flees the head and neck
    • a: rotates the head and neck to the same side

    i: medial border and superior angle of scapula
  22. rhomboids
    o: major and minor: spinous processes of C7-T5

    • a: adducts the scapula
    • a: elevates the scapula
    • a: downwardly rotates the scapula

    i: vertebral border of the scapula from the root of the spine to the inferior angle
  23. trapezius III
    o: spinous processes of T4-T12

    • a: depression of the scapula
    • a: upward rotation of the scapula

    i: root of the spine of the scapula
  24. trapezius II
    o: spinous processes of C6-T3

    • a: adducts the scapula
    • a: stabilizes the scapula

    • i: acromion process of the scapula
    • i: spine of the scapula
  25. quadratus lumborum
    • o: posterior iliac crest
    • o: iliolumbar ligament

    • unilaterally
    • a: elevates the hip
    • a: laterally flexes the vertebral column
    • a: assists to extend the vertebral column

    • bilaterally
    • a: fixes the last rib during respiration

    • i: 12th rib
    • i: transverse processes of L1-L4 lumbar vertebrae
  26. iliopsoas
    • o: psoas: lumbar vertebrae
    • o: iliacus: inner surface of the ilium

    • a: flexion of the hip
    • a: lateral flexion of the vertebral column when leg is fixed
    • a assists with abduction
    • a: assists with lateral rotation of the hip

    i: lesser trochanter of the femur
  27. diaphragm
    • o: lumbar section: vertebral bodis of L1-L3
    • o: costal section: inner surface of lower six ribs
    • o: sternal section: inner part of xiphoid process

    a: draws central tendon downward, flattens central tendon, thus increasing thoracic cavity volume during inspiration

    i: central tendon of the diaphragm
  28. external obliques
    o: lower 8 ribs

    • a: flexion of the trunk, bilateral
    • a: lateral flexion and rotation to opposite side

    i: abdominal aponerosis to linea alba and anterior iliac crest
  29. internal obliques
    • o: lateral inguinal ligament
    • o: iliac crest
    • o: thoracolumbar fascia

    • a: flexion of the trunk, bilateral
    • a: lateral flexion and rotation to the same side

    • i: cartilage of bottom 3 ribs
    • abdominal aponeurosis to linea alba
  30. rectus abdominis
    o: costal cartilages 5, 6, 7 and the xiphoid process

    a: flexion of the vertebral column

    i: pubic crest, pubic symphysis
  31. anterior scalene
    o: transverse processes of the 3rd to 6th cervical vertebrae, anterior tubercles

    • a: elevate the ribs during inhalation, bilateral
    • a: with the ribs fixed, laterally flex the neck to the same side, unilateral
    • a: flexion of teh neck

    i: 1st rib
  32. middle scalenes
    o: transverse processes of the 2nd to 7th cervical vertebrae

    • a: elevate the ribs during inhalation
    • a: with the ribs fixed, laterally flex the neck to the same side

    i: 1st rib
  33. sternocleidomastoid
    • o: top of the manubruim
    • o: medial 1/3 of the clavicle

    • a: flexion of the neck, bilateral
    • a: rotation of the head to opposite side
    • a: lateral flexion of the head and neck, unilateral
    • a: assists in inhalation

    • i: mastoid process of the temporal bone
    • i: lateral superior nuchal line of the occiput
  34. levator scapula
    o: transverse processes of C1-C4

    • a: elevates the scapula
    • a: downwardly rotates the scapula
    • a: laterally flexes the head and neck
    • a: rotates the head and neck to the same side

    i: medial border and superior angle of the scapula
  35. suboccipitals
    • o: transverse process of C1
    • o: spinous process of C1
    • o: spinous process of C2

    • a: nodding and tilting movements of the head
    • a: rotation of the head and neck, most rotation occurs with the atlas rotating on the axis

    • i: occipital ridge
    • i: transverse process of C1
  36. splenius capitis
    • o: ligamentum nuchae C3-C6
    • o: spinous processes of C7-T3

    • a: extension of the head and neck
    • a: rotation of the head and neck to the same side
    • a: lateral flexion, unilateral

    • i: mastoid process
    • i: lateral nuchal line
  37. splenius cervicis
    o: spinous processes of T3-T6

    • a: extension of the head and neck, bilateral
    • a: rotation of the head and neck to the same side, unilateral
    • a: lateral flexion, unilateral

    i: transverse processes of the upper cervical vertebrae
  38. semispinalis capitis
    o: transverse processes of C3-T6

    a: extension of the head and neck

    i: occiput, between the superior and inferior nuchal lines
  39. trapezius I
    • o: external occipital protuberance
    • o: medial portion of the superior nuchal line of the occiput
    • o: ligamentum nuchae

    • bilateral
    • a: extends the head and neck

    • unilateral
    • a: laterally flexes the head and neck to the same side
    • a: rotates the head and neck to the opposite side
    • a: elevates the scapula
    • a: upwardly rotates the scapula

    i: lateral one third of the clavicle
  40. masseter
    o: zygomatic arch

    a: elevates the mandible

    i: angle and ramus of the mandible
  41. temporalis
    o: temporal fossa and fascia

    • a: elevates the mandible
    • a: retracts the mandible

    i: coronoid process of the mandible
  42. semispinalis
    • o: transverse processes of the thoracic vertebrae
    • o: articular processes of lower cervicals

    a: extends the vertebral column and head

    i: spinous processes of upper thoracic cervicals, except C1
  43. mutifidi and rotatores
    o: sacrum and transverse processes of lumbar through cervical verebrae

    • a: extends the vertebral column
    • a: rotates the vertebral column to the opposite side

    i: spinous processes of lumbar vertebrae through second cervical vertebrae (multifidi span two to four vertebrae; rotatores span one to two vertebrae
  44. iliocostalis
    o: common tendon, lumborum

    • a: extension of the vertebral column, bilateral
    • a: lateral flexion, unilateral

    • i: transverse processo of lumbar vertebrae 1-3 and posterior surface of ribs 6-12
    • i: posterior surface of ribs 1-6, thoracis
    • i: transverse processes of lower cervicals, cervicis
  45. longissimus
    • o: common tendon, thoracis
    • o: transverse processes of upper five thoracic vertebrae, cervicis and capitis

    • a: extension of the vertebral column, bilateral
    • a: lateral flexion, unilateral

    • i: lower nine ribs and transverse processes of thoracic vertebrae, thoracis
    • i: transverse procsses of cervical vertebrae, cervicis
    • i: mastoid process of the temporal bone
  46. spinalis
    • o: spinous process of the upper lumbar and lower thoracic vertebrae, thoracis
    • o: ligamentum nuchae
    • o: spinous process of C7, cervicis

    • a: extension of the vertebral column
    • a: lateral flexion

    • i: spinous processes of upper thoracic vertebrae, thoracis
    • i: spinous processes of the cervical vertebrae except C1, cervicis
  47. triceps brachii
    • o: long head: infraglenoid tubercle of scapula
    • o: long head: posterior surface of proximal half of humerus
    • o: medial head: posterior surface of distal half of humerus

    • a: extend the elbow, humeroulnar joint
    • a: extends the shoulder, glenohumeral joint, long head
    • a: adducts the shoulder, glenohumeral joint, long head

    i: olecranon process of ulna
  48. gluteus maximus
    • o: coccyx
    • o: posterior sacrum
    • o: posterior iliac crest
    • o: sacrotuberous ligament
    • o: sacroiliac ligaments

    • a: extends the hip, coxal joint
    • a: laterally rotates the hip, coxal joint
    • a: abducts the hip, coxal joint
    • a: lower fivers adduct the hip, coxal joint

    • i: gluteal tuberosity of femur
    • i: iliotibial tract
  49. gluteus medius
    o: external surface of the ilium between iliac crest and posterior and anterior gluteal line

    • a: abducts the hip, coxal joint
    • a: flexes the hip, coxal joint
    • a: extends the hip, coxal joint
    • a: may medially rotate and laterally rotate the hip, coxal joint

    i: greater trochaner of femur, attaches like a cap
  50. gluteus minimus
    o: external surface of the ilium between anterior and inferior gluteal lines

    • a: abducts the hip, coxal joint
    • a: medially rotates the hip, coxal joint
    • a: flexes the hip

    i: anterior surface of greater trochanter of femur
  51. piriformis
    o: anterior sacrum

    • a: laterally rotates hip, coxal joint
    • a: abducts the thigh when the hip is flexed

    i: greater trochanter
  52. deep rotators: superior gemellus, oburator inernus, inferior gemellus, oburator externus, quadratus femoris, oburator internus
    • o: ischium
    • o: ischial tuberosity

    • a: lateral rotation of hip
    • a: when leg is fixed, all lateral rotators function to turn pelvis and trunk toward opposite side
    • a: stabilize hip joint

    i: greater trochanter of the femur
  53. tensor fascia late
    o: iliac crest, posterior to asis

    • a: medial rotation of hip
    • a: flexion of hip
    • a: abduction of hip

    • i: iliotibial tract
    • i:continues to lateral tibial tubercle

What would you like to do?

Home > Flashcards > Print Preview