Joints of the Hand and Foot

Question 1

Which digits are the axis of the hand and foot?

Answer 1

Hand - 3rd. Foot - 2nd.

Question 2

Classify the intermetacarpal joint.

Answer 2

Synovial plane.

Question 3

Classify the metacarpophalangeal joint. Which movements are permitted?

Answer 3

Synovial ellipsoid (except for thumb). flexion/extension, abduction adduction.

Question 4

Classify the 1st carpometacarpal joint.

Answer 4

Synovial saddle.

Question 5

Which structures stabilise the joints of the hand?

Answer 5

Collateral liagments, long tendons crossing joint, lumbrical/interossei muscles, deep transverse intermetacarpal ligaments.

Question 6

Which structures stabilise the joints of the foot?

Answer 6

collateral ligaments, deep transverse metatarsal ligament, plantar ligaments, fibres from tendons.

Question 7

What are the 3 arches of the foot?

Answer 7

Medial longitudinal arch, lateral longitudinal arch and transverse arch.

Question 8

what forms the medial longitudinal arch?

Answer 8

calcaneus, talus, navicular, cuneiforms and medial 3 metatarsals.

Question 9

What forms the lateral longitudinal arch?

Answer 9

Calcaneus, cuboid and lateral 2 metatarsals.

Question 10

What forms the transverse arch?

Answer 10

base of the metatarsals.

Question 11

Which structures stabilise the arches of the foot?

Answer 11

Short interoesseous ligaments (between tarsal bones), spinr ligament (calcaneus to navicular), long and short plantar ligaments, plantar aponeurosis, muscle tone.

Question 12

Where is the spring ligament?

Answer 12

Between calcaneus and the navicular. Prevents weight bearing moving the talus between calcaneus and navicular.