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anatomy- back > week 1 anatomy > Flashcards

week 1 anatomy Flashcards

1
Q

A: extends, adducts, and medially rotates humerus
N: thoracodorasal N (c6, 7 ,8)

A

latissimus Dorsi

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2
Q

A: extends head, elevates and pulls shoulder posteriorly, stabilization and movement of the scapula
N: moto innervation CN XI (spinal accessory nerve

A

Trapezius

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3
Q

A: scapula elevation
N:dorsal scapular nerve

A

Levator Scapulae

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4
Q

A: rotation of the scapula, rotation of the glenoid cavity
N: dorsal scapular nerve

A

Rhomboid major

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5
Q

A: retraction and elevation of the scapula
N: dorsal scapular nerve

A

Rhomboid Minor

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6
Q

Accessory nerve (CNXI)
transverse cervical artery

A

trapezius

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7
Q

A: elevates the ribs
N: intercostal nerves

A

serrates posterior superior

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8
Q

A:depresses the ribs
N: intercostal nerves

A

serrates posterior inferior

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9
Q

A: primary extensor of the back, contributes to stabizaltion of lateral rotation, and flexion of the vertebral column
N: posterior rami of spinal nerves

A

Erector Spinae

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10
Q

Parts of the Erector Spinae

A

iliocostalis
longissimis
spinalis

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11
Q

__ cervical
__ thoracic
__ lumbar
__ sacrum
__ coccyx

A

7
12
5
5
3-4

33 total

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12
Q

parts of the vertebrae

A
  • body
  • arch
  • pedicle
  • transverse process
  • superior vertebral notch
  • inferior vertebral notch
  • lamina
  • spinous process
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13
Q

parts of the cervical vertebrae

A

C1: atlas (foramen transversum )
C2: axis (dens)

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14
Q

gradual loss of bone density and strength, collapse of the thoracic vertebrae

A

osteoporosis

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15
Q

The pia mater covering the spinal cord is relatively thick and gives rise to longitudinal projections known as

A

denticulate
ligaments

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16
Q

anchors the conus medullaris to the caudal end of the spinal dural sheath

A

filum terminale

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17
Q

layers in order of the spinal cord

A

-bone
- epidural space
- dura matter
- subdural space
- arachnoid mater
- subarachnoid space
- pia mater

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18
Q

gray matter of the spinal cord?

A

rich in nerve cell bodies

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19
Q

white matter of the spinal cord?

A

rich in nerve cell process and tracts

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20
Q

dorsal is?

A

sensory

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21
Q

ventral is?

A

motor

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22
Q

parts of the humerus

A

-greater tubercle
- lesser tubercle
-humeral head
-intertubercular sulcus
- radial groove

23
Q

parts of the posterior part of the scapula

A

-spine of scapula
-supraspinous fossa
- infraspinous fossa
- acromion

24
Q

-acromion
-coracoid process
- subscapular fossa

A

anterior view of the scapula

25
Q

-supraspinous fossa
-spine fo the scapula
-acromion
-infraspinous fossa

A

posterior view of the scapula

26
Q

two ends of the clavical?

A

acromial end
sternal end

27
Q

joint between the humerus and the scapula?

A

glenohumeral joint

28
Q

glenohumeral joint is a what kind of joint?

A

ball and socket

29
Q

the _________________________ make up the fibrous membrane of the joint capsule (humerus and scapula)

A

capsular ligament

30
Q

the humeral head is ___ times larger than the glenoid cavity on the scapula

A

four times

31
Q

what is the function of the glenoid labrum?

A

it adds stabilization of the glenohumeral joint between the humerus and the scapula

32
Q

ARM moving forward

A

flexion

33
Q

ARM moving backward

A

extension

34
Q

what muscles are primarily response for adduction the arm

A

axillary fold muscles
- latissimus dorsi
- pectorallis major
- teres major

35
Q

A: flexion of the arm and rotates it medially, abduction of the arm, extension and later rotation of the arm
N: Axillary n

A

deltoid m

36
Q

A: protraction and rotation of the scapula holds it against thoracic wall
N: long thoracic n

A

serratus anterior m

37
Q

A: adducts and medially rotates humerus
N: lower subscapular n

A

teres major m

38
Q

A: external (lateral) rotation and adduction of the arm at the shoulder joint, stabilization of the glenoid cavity (rotator cuff muscle)
n: axillary n.

A

teres minor m

39
Q

A: abduction initiation of arm to 15 degrees at glenohumeral joint (rotator cuff muscle)
N: subrascapular n

A

supraspinatus m

40
Q

A: external (lateral) rotation of the arm at the shoulder joint, stabilizes the glenoid cavity (rotator cuff muscle)
N: suprascapular n

A

infraspinatus m

41
Q

A: medially rotates arm, stabilizes humeral head in glenoid cavity ( rotator cuff muscle)
N: upper and lower subscapular nerves ( C5, 6, 7)

A

subscapularius m

42
Q

teres minor
supraspinatus m
infraspinatus m
subscapularis m

A

rotator cuff muscles

43
Q

rotator cuff is also known as the ?

A

tendinous cuff

44
Q

actions of the glenhumeral joint?

A

0-15 degrees supraspinatus m
15-90 degrees deltiod m
90-180 degrees serratus anteriro m

45
Q

at 90 degrees of the glenohumeral joint?

A

the humerus bumps into the acromion so then the scapular rotation takes place

46
Q
  • suprascapular artery
    -superior transverse ligament
A

the scapular and circumflex arteries
-the army goes over and then navy goes under the bridge

47
Q

quadrangular space
triangular space
triangular interval

A

spaces and gateways of the scapular region

48
Q

-axillary n.
-posterior circumflex humoral a.

A

quadrangular space

49
Q

-circumflex scapular a.
-circumflex scapular v.

A

triangular space

50
Q

-profunda brachii a.
- Radial n.

A

triangular interval

51
Q

By reflecting the
pectoralis major m. and
the pectoralis minor m.,
this?

A

gains access to the
axilla, the location of the
brachial plexus

52
Q

A: adducts and medially rotates humerus, draws scapula anteriorly and inferiorly ( clavicular head alone flexes humerus and sternocostal head extends it from flexed position)
N: later and medial pectoral nerves ( C 5, 6,7,8 T1)

A

pectoralis major m

53
Q

A: draws scapula inferiorly and anteriorly against the thoracic wall, stabilizes scapula
N: medial pectoral nerve (C8, T1)

A

pectoralis Minor m

54
Q
A

anatomy- back (3 decks)

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