Bones And Joints Flashcards
1
Q
What are the humerus proximal bony features
A
Head Anatomical neck Greater/lesser tubercle Intertubercular sulcus Surgical neck Deltoid tuberosity Spiral (radial) groove
2
Q
Classify the glenohumeral joint
A
A synovial multiaxial ball and socket joint.
Articular surfaces - covered in hyaline cartilage, humoral head larger than glenoid fossa, glenoid labrum
3
Q
Explain the capsule in the shoulder joint
A
Loosely surrounds and has an inferior fold.
Strengthened by ligaments and the tendons of the rotator cuff muscles
4
Q
Explain the synovial membrane in the shoulder joint
A
Lines the capsule
Communicating and free bursae
5
Q
What are the accessory and capsular ligaments in the shoulder
A
Accessory ligaments - coracohumeral - coracoacromial Capsular ligament - superior glenohumeral - middle glenohumeral - inferior glenohumeral - transverse glenohumeral
6
Q
What causes the shoulder joint to be unstable
A
Causes - shallow glenoid fossa - large head of humerus - loose articular capsule Solutions - glenoid labrum - ligaments - rotator cuff muscles
7
Q
What accessory movements can you do at the glenohumeral (shoulder) joint
A
A-P movement
P-A movement
Longitudinal caudad
Lateral glide
