Bones and joints

Name all the bones

Name all the bones

distal phalanges (5), middle phalanges (4), proximal phalanges (5), metacarpals (5)

Name all the carpal bones

scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, trapezium

Name all the joints

distal interphalangeal joint (DIP), proximal interphalangeal joint (PIP), interphalangeal joint (IP), metacarpalphalangeal joint (MCP), carpalmetacarpal joint (CMC)

A- What is the classification of this joint?

B-If you are unable to flex this specific joint, what nerve might be damaged?

A-Condyloid joint

B- Ulnar nerve

A - Name two muscles which attach to the bony region "A"

B - Name three muscles which specifically move joint "B"

A- Pronator qudratus, brachialradialis

B- flexor pollicis brevis, extensor pollicis brevis, ????

What muscles originate from "A"?

Name the actions of the muscle which insert onto bony feature "B"

A- Flexor digit minimi brevis

B- abduction of fingers 2-4 at MCP