unit 3: bones of the upper limb

what bones make up the pectoral girdle?

clavicle and scapula

how many carpals do we have (in one hand)?

8

how many metacarpals do we have (in one hand)?

5

how many phalanges do we have (in one hand)?

14

sternoclavicular joint

where the sternum (part of the axial skeleton) attaches to the clavicle (part of appendicular skeleton)

glenohumeral joint

where the humerus fits into the glenoid cavity of the scapula

During what action does the coronoid fossa receive the coronoid process?

flexion

how to remember carpal bones

Some Lovers Try Positions That They Can’t Handle

carpal bones

• scaphoid

• lunate

• triquetrum

• pisiform

• trapezium

• trapezoid

• capitate

• hamate

pollux

thumb

in anatomical position the pinky is _________ and the thumb is ____________

medial; lateral

posterior scapula main feature

spine of scapula

anterior scapula main feature

scooped out portion of scapula (subscapular fossa)

which side is the radius on?

thumb side

what is proximal on the forearm

elbow

what is distal on the forearm

wrist

pronation

turn hand down

supination

turn hand up

what happens during pronation of forearm

the radius crosses over the ulna

which two articular surfaces interact during pronation/supination?

capitulum and head of radius