Flashcards in Joints of the Hand and Foot Deck (12):
Which digits are the axis of the hand and foot?
Hand - 3rd. Foot - 2nd.
Classify the intermetacarpal joint.
Classify the metacarpophalangeal joint. Which movements are permitted?
Synovial ellipsoid (except for thumb). flexion/extension, abduction adduction.
Classify the 1st carpometacarpal joint.
Which structures stabilise the joints of the hand?
Collateral liagments, long tendons crossing joint, lumbrical/interossei muscles, deep transverse intermetacarpal ligaments.
Which structures stabilise the joints of the foot?
collateral ligaments, deep transverse metatarsal ligament, plantar ligaments, fibres from tendons.
What are the 3 arches of the foot?
Medial longitudinal arch, lateral longitudinal arch and transverse arch.
what forms the medial longitudinal arch?
calcaneus, talus, navicular, cuneiforms and medial 3 metatarsals.
What forms the lateral longitudinal arch?
Calcaneus, cuboid and lateral 2 metatarsals.
What forms the transverse arch?
base of the metatarsals.
Which structures stabilise the arches of the foot?
Short interoesseous ligaments (between tarsal bones), spinr ligament (calcaneus to navicular), long and short plantar ligaments, plantar aponeurosis, muscle tone.