Synovial Cavities and their associated joints of the foot

Question 1

How many synovial cavities are there?

Answer 1

9 interphalangeal
5 metatarsophalangeal
6 within the intertarsal, tarsometatarsal, intermetatarsal articulations

Question 2

• one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations*
• encloses the posterior articular surface of the talus and the posterior facet of the calcaneus

Answer 2

Posterior subtalar synovial cavity

Question 3

• one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations*
• Encloses the articulation between the calcaneus and the cuboid

Answer 3

-Calcaneocuboid synovial cavity

Question 4

• one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations*
• Encloses the middle and anterior facets of the talus and calcaneus, talonavicular articulation, and the articulation between the head of the talus and the spring ligament

Answer 4

Talocalcaneonavicular synovial cavity

Question 5

• one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations*
• Encloses the tarsometatarsal articulations between the cuboid and the bases of the fourth and fifth metatarsals, and the intermetatarsal articulation between the bases of the fourth and fifth metatarsals

Answer 5

Lateral tarsometatarsal synovial cavity

Question 6

• one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations*
• Encloses the tarsometatarsal articulation between the first cuneiform and the base of the first metatarsal

Answer 6

-Medial tarsometatarsal synovial cavity

Question 7

one of the cavities within the intertarsal, tarsometatarsal, intermetatarsal articulations

Encloses the cuboideonavicular if present, 3 cuneonavicular, 2 intercuneiform, cuneocuboid, intermediate tarsometatarsal, and intermetatarsal

Answer 7

Greater tarsal synovial cavity