Joints of the Upper Limb II Flashcards Preview

Anatomy > Joints of the Upper Limb II > Flashcards

Flashcards in Joints of the Upper Limb II Deck (30):
1

movements of the shoulder joint (glenohumeral joint):

flexion

anterior deltoid
pectoralis major
biceps brachii
coracobrachialis

2

movements of the shoulder joint (glenohumeral joint):

extension

posterior deltoid
latissimus dorsi
teres major

3

movements of the shoulder joint (glenohumeral joint):

abduction

supraspinatous
middle deltoid

4

movements of the shoulder joint (glenohumeral joint):

adduction

pectoralis major
latissimus dorsi
teres major
teres minor

5

movements of the shoulder joint (glenohumeral joint):

lateral rotation

infraspinatous
teres minor
posterior deltoid

6

movements of the shoulder joint (glenohumeral joint):

medial rotation

subscapularis
latissimus dorsi
teres major
anterior deltoid
pectoralis major

7

movements of the shoulder joint (glenohumeral joint):

circumduction

combination of other movements

8

shoulder joint (glenohumeral joint):
glinical correlations:
anterior-inferior dislocation:

sudden violence applied to the ___ when the joint is fully ___

___ part (weak) of capsule tears & the ___ is displaced (superior/inferior) to the ___

humerus
abducted

inferior part
humeral head
inferior to the glenoid cavity

9

shoulder joint (glenohumeral joint):
glinical correlations:
anterior-inferior dislocation:

strong ___ & ___ of the shoulder pull the ___ forward & upward into the ___ position

may cause damage to the ___ nerve (traction injury)

flexors & adductors
humeral head
subcoracoid position

axillary nerve

10

shoulder joint (glenohumeral joint):
glinical correlations:
posterior dislocations:

(common/rare) & caused by sudden direct violence to the front of the ___

results in ___ displacement of the ___ into the ___ space

could cause damage to the ___ nerve w/ paralysis of the ___ muscle & loss of ___ sensation over the lower half of that muscle

rare
joint capsule

subglenoid displacement
humeral head
quadrangular space

axillary nerve
deltoid muscle
skin

11

shoulder joint (glenohumeral joint):
glinical correlations:
rotator cuff disorders:

two main disorders (2)

the muscle most commonly involved is the ___ as it passes beneath the ___ & the ___ ligament

impingement
tendinopathy

supraspinatous
acromion
acromioclavicular ligament

12

shoulder joint (glenohumeral joint):
glinical correlations:
rotator cuff disorders:

space is fixed in ___

swelling of the surpaspinatous muscle or excessive fluid within the subacromial/subdeltoid bursae may cause signficiant ___ when the arm is (abducted/adducted)

recurrent inflammation of this region of the tendon causes degeneration, which may result in ___ deposition & extreme pain (___)

size

impingement
abducted

deposition
supraspinatous tendinopathy

13

shoulder joint (glenohumeral joint):
glinical correlations:
rotator cuff disorders:

partial & complete tears of the ___ tendon may occur

injuries are characterized by extreme pain during (abduction/adduction)

patients suffering from supraspinatous tendinopathy may also have inflammation of the ___ further exacerbating the pain during movements of the ___ joint

supraspinatous

abduction

subacromial bursa
shoulder joint

14

shoulder joint (glenohumeral joint):
glinical correlations:
rupture of the supraspinatous tendon:

common in the (young/elderly) (e.g., straining to open a stuck window)

may also tear the ___

the patient may have extreme difficulty initiating (abduction/adduction)

elderly

capsule of the shoulder joint

abduction

15

elbow joint:
articulation (2)

trochlea
capitulum

16

elbow joint:
articulation:

trochlea

capitulum

trochlear notch of ulna

head of the radius

17

elbow joint:

___ joint capable of ___ & ___

synovial hinge joint
flexion
extension

18

elbow joint:
ligaments (2)

radial (lateral) collateral
ulnar (medial) collateral

19

elbow joint:
ligaments:

radial (lateral) collateral: ___ to the ___

ulnar (medial) collateral: ___ to the ___ & ___

lateral epicondyle
anular ligament of the radius

medial epicondyle
coronoid
olecranon processes of the ulna

20

proximal radioulnar joint:
articulation (2)

head of hte radius
synovial pivot joint

21

proximal radioulnar joint:
articulation:

head of the radius: ___ of the ___

synovial pivot joint: allows ___ & ___

radial notch of the ulna

supination
pronation

22

proximal radioulnar joint:

capsule of the joint is continuous w/ the capsule of the ___ joint

elbow

23

proximal radioulnar joint:
annular ligament:

attached tot eh margins of the ___

forms a collar around the ___ & is continuous w/ the ___

not directly attached to the ___

radial notch

head of the radius
capsule of the elbow joint

radius

24

proximal radioulnar joint:
clinical correlation "pulled elbow":

sudden lifting of a child by ___ when the arm is (supinated/pronated) causing tearing of the ___ ligament

the ___ moves distally partially out of this ligament

one arm
pronated
annular ligament

radial head

25

distal radioulnar joint:
articulation (2)

head of the ulna
synovial pivot joint

26

distal radioulnar joint:
articulation:

head of ulna: ___ of the ___

synovial pivot joint: allows ___ & ___

ulnar notch of the radius

supination
pronation

27

distal radioulnar joint:
articular disc:

___- shaped & composed of ___

chief support uniting the distal ___ & ___

separates the ___ from the ___

triangular
fibrocartilage

radius
ulna

ulna
wrist joint

28

wrist joint:

bones for distal radius & articular disc (3)

___ type of ___ joint

scaphoid
lunate
triquetral

ellipsoid
synovial

29

wrist joint:
movements (3)

flexion - extension
abduction - adduction
circumduction

30

wrist joint:

(flexion/extension) (~80 degrees) exceeds (flexion/extension) (~45 degrees)

(abduction/adduction) exceeds (abduction/adduction) which is inhibited by the ___

flexion exceeds extension

adducitonexceeds abduction
radial styloid process

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