1.68 Shoulder Flashcards
What are three classifications of joints?
Firbous, cartilagenous and synovial
What are the classifications of the fibrous joints and where are they found?
Syndesmosis - tibiofibular articulation
Suture - skull
Gomphosis - Teeth to jawbone
What are fibrous joints made up of?
Fibrous connective tissue
What are the classification of the cartilaginous joint and where are they found?
Synchondrosis - 1st rib, sternum
Symphysis - intervertebral dics, symphysis pubis
What are the cartilaginous joints made up of?
synchondrosis - Hyaline cartilage
symphysis - fibrocartilage
What are the classifications of synovial joints and where are they found?
Gliding or plane joints - acromioclavicular, carpals Hinge joints - elbow Saddle - sternoclavicular Condyloid - Knuckle Ball and socket - shoulder Pivot - atlas/axis
What are synovial joints made up of?
Hyaline, synovial membrane and capsule
Does the should joint have stability or mobility ?
Mobility rather than stability
What stabilises the shoulder joint?
Rotator cuff muscles and ligaments
In which direction does the humerus pop out of the gleaned cavity?
Anterior/inferior direction
Which nerve can be damaged as a result?
Axillary
What are the rotator cuff muscles?
Supraspinatus
Infraspinatus
Teres Minor
subscapularis
Which muscles are the abductors of the shoulder?
Supraspinatus - 15 degrees
Deltoid
Which muscles adduct the shoulder?
Theres Major
Which muscles are lateral rotators?
Infraspinatus
Teres minor
Post. Fibres of deltoid