Q4 Station 2 joints of the supper limb Flashcards
what is the Glenoid Labrum?
fibrous cartilage lip deepening the socket
What are the three Bursae in the shoulder?
subacromial bursa
subdeltoid bursa
subcoracoid bursa
what does the elbow consist of?
3 synovial joints sharing a common joint cavity
What is the Humeroulnar joint?
the largest and strongest of the joint in the elbow
What articulates at the Humeroulnar joint?
the trochlea of the humerus fits into the trochlear notch of the ulna
What movements does the Humeroulnar joint allow?
flexion and extension
What are the three joints in the elbow?
Humeroulnar joint
humeroradial joint
proximal radioulnar joint
Classify the humeroradial joint?
diarthrotic synovial monaxial hinge joint
what happens at the humeroradial joint?
proximal surface of the head of the radius bone slides in a hinge-like manner over the capitulum of the humerus
What happens at the proximal radioulnar joint?
the head of the radius rotates/pivots within the annular ligament which binds the radial head tightly against the radial notch of the ulna.
What does the radioulnar joint allow for?
pronation and supination of the palm of the hand
fully classify the middle radioulnar joint?
amphiarthrotic fibrous symdesmosis joint
What is the name of the fiberous sheet between the ulna and radius?
antebrachial intercosseous membrane
what happens at the distal radioulnar joint?
the ulnar notch of the radius rotates around the ulnar head allowing the radius to cross over the ulnar during pronation
what are the wrist joints?
radioulnar
radiocarpal
intercarpal
radiocarpal joint: whats its deal?
the ulna is excluded from articulating directly with the carpals by and articular disk.
What are the only direct joint between the radius and the two carpals ?
the scaphoid and the lunate
what movement occurs at the radiocarpal joint?
flexion, extension, adduction and abduction
fully classify the radiocarpal joint
diarthrotic synovial biaxial condyler joint
where is the intercarpal joint located?
between all the carpal bones
what movement occurs at the intercarpal joint?
sliding/ gliding
Fully classify the intercarpal joint
diarthrotic synovial monaxial planer
classify and describe all movements of the 1st carpometacarpal joint?
diarthrotic synovial biaxial saddle joint
flexion extension adduction abduction circumduction and opposition
classify and describe all movements of the 2 to5th carpometacarpal joint
diarthrotic synovial monaxial planar joint
slight flexion/extension adduction/abduction
classify and describe all movements of the 1st metacarpophalangeal joint
diarthrotic synovial monaxial hinge or biaxial condylar joint
flexion, extension abduction adduction
classify and describe all movements of the 2-5 metacarpophalangeal joints
diarthrotic synovial biaxial condylar joint
flexion/extension adduction abduction circumduction
classify and describe all movements of the interphalangeal joints
diarthrotic synovial monaxial hinge joints