Fibular tarsal tendon sheaths

Looks like

The lubricated sleeves of the fibularis tendons behind and below the outer ankle bone.

What it does

Let the two fibularis tendons glide around the outer ankle.

Keeping it well

Tendon splits, inflammation or tendons snapping over the ankle bone give pain behind the outer ankle after sprains.

Its parts

• Common tendon sheath of fibularis muscles
• Plantar tendon sheath of fibularis longus muscle

Related conditions

• Buerger's disease (thromboangiitis obliterans)
• Chronic venous insufficiency
• Clubfoot (talipes equinovarus)
• Flat feet (pes planus)
• Ganglion cyst
• Gout
• Haemophilia & bleeding disorders
• Hammer toe and claw toe
• Lyme disease
• Lymphatic filariasis (elephantiasis)
• Lymphoedema
• Marfan syndrome & connective tissue disorders
• Morton's neuroma
• Osteoarthritis
• Psoriatic arthritis
• Restless legs syndrome
• Rheumatic fever & rheumatic heart disease
• Rheumatoid arthritis
• Systemic lupus erythematosus
• Temporomandibular joint disorder
• Varicose veins
• Venomous snakebite