Joints Flashcards
Cuneonavicular joint-
the synovial
articulation between the navicular & the three
cuneiforms
❖ Capsule
❖ Ligaments
✓ Dorsal
✓ Plantar
❖ Joint Capsule- continuous with those of
intercuneiform, cuneocuboid,
cuneometarsal & intermetatarsal joints
between bases of 2-4th. Metatarsals
➢ 5. Cuboideonavicular joint-
fibrous joint between the cuboid & navicular; connected
by dorsal, plantar & interosseous ligaments
➢ 6. Intercuneiform & 7. Cuneocuboidjoints
synovial joints; connected by dorsal, plantar
& interosseous ligaments
Tarsometatarsal Joints
➢ Synovial joints, connected by
dorsal, plantar & interosseous
ligaments
➢ Bones involved are are the medial,
intermediate and lateral cuneiforms
& the cuboid which articulate with
the bases of the MT
The 1st. MT articulates with the
medial cuneiform
the 2nd. MT is deeply wedged in
between the medial and lateral
cuneiforms articulating by its base
with the Int. cuneiform
the 3rd. MT articulates with the
lateral cuneiform
the 4th. MT with the lateral
cuneiform & cuboid and
the 5th. MT , with the cuboid.
➢ The base of the 1
st. MT is not connected
with that of the 2nd. MT by any ligaments
➢ The bases of the other four metatarsals are
connected by dorsal, plantar, and
interosseous ligaments.
- Metatarsophalangeal
Joints
➢ the synovial joints between the MT bones
& proximal phalanges.
➢ Condyloid joints (rounded metatarsal
heads / shallow concave bases of proximal
phalanges)
➢ Plantar & two collateral ligaments
➢ Extensor tendons supply the places of
dorsal ligaments
Hallux Valgus
➢ lateral deviation of great toe at
metatarsophalangeal joint
➢ More common in women than in med (badly fitting
shoes!)
➢ Often accompanied by short 1st. MT bone
➢ Made worse by pull of FHL & EHL
➢ OA can occur in joint causing Hallux Rigidus
➢ Overlying adventitous bursa due to friction =
bunion (can be bony as well)
EHL Extensor hallucis longus
flexor hallucis longus(FHL)
OA osteoarthritis
Interphalangeal Joints
➢ The synovial joints between the
phalanges of the toes
➢ Each has a plantar and two collateral
ligaments.
➢ Extensor tendons supply the places of
dorsal ligaments.
collateral ligaments course on either side of each interphalangeal joint
hammer toe or contracted toe vs Mallet toe vs Claw toe
A hammer toe or contracted toe is a
deformity of the proximal interphalangeal joint of the 2nd, 3rd or 4 th toe causing it to be permanently bent, resembling a hammer.
Mallet toe is a similar condition
affecting the distal interphalangeal
joint.
Claw toe presents with dorsiflexion of the proximal phalanx on the metatarsophalangeal joint, combined with
flexion of both the proximal and distal interphalangeal joints.
Claw toe can affect the 2nd, 3rd, 4th or 5th toes
Overriding toes
➢ most commonly involves 4th. & 5th. toes
➢ 4 th. toe depressed & overriden by 5th. toe
Plantarflexion
movement of the foot downwards. away from the anterior surface of the tibia
Dorsiflexion
movement of the foot upwards, towards the anterior surface of the tibia
Adduction
- bringing towards midline of body, or towards the 2nd toe if within the foot
Abduction
- movement away from body midline. or away from 2nd toe of the foot
Inversion
inner border of foot is raised sO that plantar surface looks towards body midline
Eversion
- outer border of foot is raised So that plantar surface looks away from midline
