Upper Limb Joints Flashcards
(27 cards)
The ______ _____ ____ is the ONLY articulation between upper limb & axial skeleton. Its movements include full _____ of upper limb. The _____ can be raised to 60° and _____/_____ movement by 25- 30°
sternoclavicular (SC) joint
elevation
clavicle
anterior/posterior (front to back movement)
At the Sternoclavicular joint, the clavicle articulates with______ and _____ ______ _____. The _____ ____ will divide the joint into 2 compartments and act as a ____ ___. Two ligaments called the ____ and ____ _____ ____ will encapsulate the joint, making this joint very strong, so the ____ usually breaks before disloaction occurs.
clavicle
manubrium & 1 st costal cartilage
shock absorber
Articular disc
Anterior & posterior sternoclavicular ligaments
clavicle
Label 1-4
- joint cavity
- articular disc
- posterior sternoclavicular ligament
- anterior sternoclavicular ligament
The ____ ____ (___ ___) is a slightly synovial _____ joint Clavicle articulates with _____ of scapula. It allows the Acromion of scapula to rotate on clavicle. This joint is reinforced by ____ and _____ ligaments.
This joint is weaker because the weak joint ____ & having a ___ ___ ___ ___. If this joint is disrupted, it is called a ____ ____ because the ___ ___ and __ ___ have disrupted..
Acromioclavicular (AC) joint
planar
acromion
rotate
Acromioclavicular
Coracoclavicular (Conoid and Trapezoid)
capsule
wedge-shaped articular disc
“Shoulder separation”
disruption of acromioclavicular joint and coracoclavicular ligament
ANSWER 1-5
- Acromioclavicular ligament
- Acromioclavicular joint
- Trapezoid lig
- Conoid lig
- Coracoclavicularligament
The Shoulder (_____) joint moves freely and can do _____/_____, ____/_____, ____ and ____.
glenohumeral
flexion/extension,
abduction-adduction,
rotation,
circumduction
The glenohumreal joint is formed where the ___ ___ articulates with. The glenoid fossa is deepened by a little rim of _______ called the ____ ___. The glenohumeral joint is supported by two ligaments called the ____ and ___ ligaments.The _____ ligament also is used to prevent superior dislocation of the humerus.
Humeral head
glenoid fossa
fibrocartilage
Glenoid labrum
Glenohumeral
Transverse humeral
coracoaromial ligament
What are the accessory structures of the glenohueral joint?
long head of biceps brachii,
subscapular bursa,
rotator cuff (SITS)
_____ ___ are the most common dislocations of the glenohumeral joint; ____ ____tears are often seen with dislocation in elderly
Anterior dislocation
rotator cuff
The elbow or ____ joint, can do _____/____ movements. The ____ & ____ of the ______ articulate with the ___ ___ of the ____ and head of the _____. There are 3 ligaments that help support the elbow joint called the _______, ____ _____ and ____ ___ ligaments.
hinge
flexion/extension
Trochlea & capitulum of humerus
trochlear notch of ulna
head of radius
Annular, Radial collateral, Ulnar collateral
_____ _____ are the most common dislocations at the elbow.
_____ ___ ___ can occur as well when the annular ligament is pulled away from radius.
Micro tears in the flexor/pronator muscle mass as it attaches on the medial epicondyle can lead to “_____ ___”
Posterior dislocation
radial head subluxation-
pitchers elbow”
The radius and ulna function as a unit, so we have the ___ ____ to allow them to move together. Radioulnar joint is a ___ joint and allows for _____ (____ &_____) with about ___ degrees of rotation.
radialulnar joint
pivot
rotation (pronation and supination
135
The radial ulnar joint is divied in to 3 parts, the ____ radioulnar joint that is near the humerus, the ____ ____ is sometimes reffered to as the ____ radioulnar joint, and finally there is the ___ radioulnar joint by the hand.
proximal
interosseous membrane
middle
distal
The proximal radioulnar joint is where the head of the _____ articulates with the ___ ___ of the ____ and this is where the radial head is heald in place by the ___ ____.
radius
radial notch
ulna
annular ligament
At the distal end of the forearm, the distal radioulnar joint is formed by the ___ __ and the __ ___ of the the radius. Many times, this joint will contain an ____ ___ that is clinically reffered to as the ____ ___
ulnar head
ulnar notch
articular disc
triangular ligament
The ____ (the ___ ____ joint) is a complex joint that contains multiple ___ ___ and ligament supports, that is ___ with _____ movements. What movements can it do (3)?
.Wrist
radiocarpal joint
bony articulations
multiaxial
limited
flexion-extension, abduction-adduction, circumduction)
The radiocarpal joint is formed when the ____ end of the ___ and the ____ ___ of the ___ ____ ____ meet and together articulate with the proximal row of ___ ___.
distal end of the radius
articular disc
distal radioulnar joint
carpal bones
The ___ does NOT participate in the wrist joint
ulna
The wrist joint is supported by a number of ligaments and many of them are called the ___ ___, there are also ligaments called the ___ ligaments on the ulnar and radial sides
radiocarpal ligaments
collateral
The ___ ___ is between proximal and distal rows of carpal bones. This allows for ___ and intiation of ______/___- of the hand. The ____ and ___, ___ and ____ligaments support it.
Midcarpal
gliding
flex/extension
dorsal&palmar
collateral
interosseous
The ______ joint is found between distal row of carpals and bases of metacarpals __. The ____&____, ____, and ____ ligaments support it
carpometacarpal joint
2-5
dorsal and palmar, collateral, and interosseous
Between the trapezium and the thumb there is a small joint called the ______-____ joint
(trapezial-metacarpal) j
______ is the joint between metacarpals 2-5 (act as a functional unit) ___ __ ___ __ binds it together
Intermetacarpal -
deep transverse metacarpal lig
The _____ joints (__ __) are between distal ends of metacarpals and bases of proximal phalanges
Metacarpophalangeal (MP joints)
