Joints of the Upper Limb II

Question 1

movements of the shoulder joint (glenohumeral joint):

flexion

Answer 1

anterior deltoid
pectoralis major
biceps brachii
coracobrachialis

Question 2

movements of the shoulder joint (glenohumeral joint):

extension

Answer 2

posterior deltoid
latissimus dorsi
teres major

Question 3

movements of the shoulder joint (glenohumeral joint):

abduction

Answer 3

supraspinatous

middle deltoid

Question 4

movements of the shoulder joint (glenohumeral joint):

adduction

Answer 4

pectoralis major
latissimus dorsi
teres major
teres minor

Question 5

movements of the shoulder joint (glenohumeral joint):

lateral rotation

Answer 5

infraspinatous
teres minor
posterior deltoid

Question 6

movements of the shoulder joint (glenohumeral joint):

medial rotation

Answer 6

subscapularis
latissimus dorsi
teres major
anterior deltoid
pectoralis major

Question 7

movements of the shoulder joint (glenohumeral joint):

circumduction

Answer 7

combination of other movements

Question 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 ___

Answer 8

humerus
abducted

inferior part
humeral head
inferior to the glenoid cavity

Question 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)

Answer 9

flexors & adductors
humeral head
subcoracoid position

axillary nerve

Question 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

Answer 10

rare
joint capsule

subglenoid displacement
humeral head
quadrangular space

axillary nerve
deltoid muscle
skin

Question 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

Answer 11

impingement
tendinopathy

supraspinatous
acromion
acromioclavicular ligament

Question 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 (___)

Answer 12

size

impingement
abducted

deposition
supraspinatous tendinopathy

Question 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

Answer 13

supraspinatous

abduction

subacromial bursa
shoulder joint

Question 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)

Answer 14

elderly

capsule of the shoulder joint

abduction

Question 15

elbow joint:

articulation (2)

Answer 15

trochlea

capitulum

Question 16

elbow joint:
articulation:

trochlea

capitulum

Answer 16

trochlear notch of ulna

head of the radius

Question 17

elbow joint:

___ joint capable of ___ & ___

Answer 17

synovial hinge joint
flexion
extension

Question 18

elbow joint:

ligaments (2)

Answer 18

radial (lateral) collateral

ulnar (medial) collateral

Question 19

elbow joint:
ligaments:

radial (lateral) collateral: ___ to the ___

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

Answer 19

lateral epicondyle
anular ligament of the radius

medial epicondyle
coronoid
olecranon processes of the ulna

Question 20

proximal radioulnar joint:

articulation (2)

Answer 20

head of hte radius

synovial pivot joint

Question 21

proximal radioulnar joint:
articulation:

head of the radius: ___ of the ___

synovial pivot joint: allows ___ & ___

Answer 21

radial notch of the ulna

supination
pronation

Question 22

proximal radioulnar joint:

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

Answer 22

elbow

Question 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 ___

Answer 23

radial notch

head of the radius
capsule of the elbow joint

radius

Question 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

Answer 24

one arm
pronated
annular ligament

radial head

Question 25

distal radioulnar joint:

articulation (2)

Answer 25

head of the ulna

synovial pivot joint

Question 26

distal radioulnar joint:
articulation:

head of ulna: ___ of the ___

synovial pivot joint: allows ___ & ___

Answer 26

ulnar notch of the radius

supination
pronation

Question 27

distal radioulnar joint:
articular disc:

___- shaped & composed of ___

chief support uniting the distal ___ & ___

separates the ___ from the ___

Answer 27

triangular
fibrocartilage

radius
ulna

ulna
wrist joint

Question 28

wrist joint:

bones for distal radius & articular disc (3)

___ type of ___ joint

Answer 28

scaphoid
lunate
triquetral

ellipsoid
synovial

Question 29

wrist joint:

movements (3)

Answer 29

flexion - extension
abduction - adduction
circumduction

Question 30

wrist joint:

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

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

Answer 30

flexion exceeds extension

adducitonexceeds abduction
radial styloid process