Intertarsal joints

Looks like

The joints between the seven ankle and midfoot bones (tarsals), including the subtalar and midtarsal joints.

What it does

Let the foot tilt in and out and adapt to uneven ground.

Keeping it well

Stiffen with arthritis or congenital bars between bones (tarsal coalition), a cause of rigid flat feet in teenagers.

Its parts

• Dorsal intercuneiform ligaments
• Intercuneiform interosseous ligaments

Related conditions

• Chronic venous insufficiency
• Gout
• Haemophilia & bleeding disorders
• Lyme disease
• Lymphatic filariasis (elephantiasis)
• Lymphoedema
• Marfan syndrome & connective tissue disorders
• Osteoarthritis
• Psoriatic arthritis
• Restless legs syndrome
• Rheumatic fever & rheumatic heart disease
• Rheumatoid arthritis
• Systemic lupus erythematosus
• Temporomandibular joint disorder
• Varicose veins