FOREARM, WRIST AND HAND Flashcards
FOREARM
- extends from elbow to wrist
TWO BONES IN FOREARM
- ulna
- radius
CAPITULUM FUNCTION
- articulation with the head of the radius
MEDIAL EPICONDYLE FUNCTION
- insertion of muscles in the posterior forearm
TUBEROSITY OF RADIUS FUNCTION
- insertion for biceps brachii (supernation)
HEAD OF ULNA ARTICULATING WITH ULNAR NOTCH OF RADIUS FUNCTION
- forms distal radial ulna joint
OLECRANON ARTICULATING WITH OLECRANON FOSSA OF HUMERUS
- insertion for triceps brachii
INTRAOSSEOUS MEMBRANE
- strong fibrous membrane running from radius to ulna
- supernation & pronation
- site of muscle attachment
FINGER JOINT (METACARPOPHALANGEAL) MOVEMENTS
- flexion & extension
- adduction & abduction
FINGER JOINT (METACARPOPHALANGEAL) FUNCTIONAL SHAPE
- ellipsoid
FINGER JOINT (INTERPHALANGEAL) MOVEMENTS
- flexion & extension
FINGER JOINT (INTERPHALANGEAL) FUNCTIONAL MOVEMENT
- hinge
WRIST JOINT HISTOLOGICAL
- synovial
WRIST JOINT FUNCTIONAL SHAPE
- ellipsoid
WRIST JOINT ARTICULATIONS
- midcarpal (just above proximal row)
- radiocarpal (wrist joint is)
WRIST JOINT ARTICULAR SURFACES
- distal (radiocarpal jt) = triqutrium, lunate, scaphoid
- proximal = articular discs, radius
WRIST MOVEMENT REASONS
add > abd = distal projection of radial styloid
flex > exten = projection of post. aspect of radial articular surface
WRIST MOVEMENT, LOCATION, MUSCLE (FLEX)
- flexion, anterior, flexor carpi radialis (FCR)
WRIST MOVEMENT, LOCATION, MUSCLE (EXTEN)
- extension, posterior, extensor carpi ulnaris (ECU)
WRIST MOVEMENT, LOCATION, MUSCLE (ADD)
- adduction, lateral, extensor carpi radalis longus (ECRL)
WRIST MOVEMENT, LOCATION, MUSCLE (ABD)
- abduction, medial, flexor carpi ulnaris (FCU)
WRIST LIGAMENTS
- attach carpal bones to radius
ACTIVE INSUFFICIENCY MULTI-JOINT
- FDP flexor digitorium pollicis
PASSIVE INSUFFICIENCY MULTI-JOINT
- ED extensor digitorium