Fourth lumbrical of foot
Musculus lumbricalis quartus pedis · Čtvrtý červovitý sval nohy
Muscles
Looks like
The outermost small worm-like muscle in the sole, running from the long flexor tendons to the little toe.
What it does
Bends the little toe at its base joint and keeps its end joints straight.
Keeping it well
Weakness contributes to clawing of the little toe.
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