Anatom3DLateral head of flexor hallucis brevis
Caput laterale musculi flexoris hallucis brevis · Zevní hlava krátkého ohýbače palce nohy
Muscles
Looks like
The outer part of the short big-toe flexor in the forefoot sole, with a small sesamoid bone in its tendon.
What it does
Bends the big toe at its base joint and bears weight through its sesamoid on push-off.
Keeping it well
The sesamoid under it can become inflamed or break with running or jumping, causing pain under the ball of the foot.
Related conditions
- Botulism
- Buerger's disease (thromboangiitis obliterans)
- Chronic venous insufficiency
- Clubfoot (talipes equinovarus)
- Fibromyalgia
- Flat feet (pes planus)
- Frailty & falls in older age
- Ganglion cyst
- Gout
- Hammer toe and claw toe
- Heat exhaustion & heatstroke
- Lymphatic filariasis (elephantiasis)
- Lymphoedema
- Malnutrition & refeeding syndrome
- Morton's neuroma
- Muscular dystrophy
- Polymyalgia rheumatica
- Restless legs syndrome
- Rhabdomyolysis
- Sarcoma
- Sarcopenia
- Tetanus
- Varicose veins
- Venomous snakebite