Joints of the Upper Limb II Flashcards
movements of the shoulder joint (glenohumeral joint):
flexion
anterior deltoid
pectoralis major
biceps brachii
coracobrachialis
movements of the shoulder joint (glenohumeral joint):
extension
posterior deltoid
latissimus dorsi
teres major
movements of the shoulder joint (glenohumeral joint):
abduction
supraspinatous
middle deltoid
movements of the shoulder joint (glenohumeral joint):
adduction
pectoralis major
latissimus dorsi
teres major
teres minor
movements of the shoulder joint (glenohumeral joint):
lateral rotation
infraspinatous
teres minor
posterior deltoid
movements of the shoulder joint (glenohumeral joint):
medial rotation
subscapularis latissimus dorsi teres major anterior deltoid pectoralis major
movements of the shoulder joint (glenohumeral joint):
circumduction
combination of other movements
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
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
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
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
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
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
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
elbow joint:
articulation (2)
trochlea
capitulum
elbow joint:
articulation:
trochlea
capitulum
trochlear notch of ulna
head of the radius
elbow joint:
___ joint capable of ___ & ___
synovial hinge joint
flexion
extension
elbow joint:
ligaments (2)
radial (lateral) collateral
ulnar (medial) collateral
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
proximal radioulnar joint:
articulation (2)
head of hte radius
synovial pivot joint
proximal radioulnar joint:
articulation:
head of the radius: ___ of the ___
synovial pivot joint: allows ___ & ___
radial notch of the ulna
supination
pronation
proximal radioulnar joint:
capsule of the joint is continuous w/ the capsule of the ___ joint
elbow
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
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
distal radioulnar joint:
articulation (2)
head of the ulna
synovial pivot joint
distal radioulnar joint:
articulation:
head of ulna: ___ of the ___
synovial pivot joint: allows ___ & ___
ulnar notch of the radius
supination
pronation
distal radioulnar joint:
articular disc:
___- shaped & composed of ___
chief support uniting the distal ___ & ___
separates the ___ from the ___
triangular
fibrocartilage
radius
ulna
ulna
wrist joint
wrist joint:
bones for distal radius & articular disc (3)
___ type of ___ joint
scaphoid
lunate
triquetral
ellipsoid
synovial
wrist joint:
movements (3)
flexion - extension
abduction - adduction
circumduction
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
