Hallux

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On this foot, the hallux and index toe or second toe are the same length.

In humans and non-human primates, the hallux is shorter than the second or pointer toe for a majority of people; compare to the thumb on the hand.

The human big toe has limited grasping ability. Chimpanzees and many other non-human primates lack opposable thumbs but have an opposable hallux.

In birds with anisodactyl or heterodactyl feet, the hallux is opposed or directed backwards and allows for grasping and perching.

Diseases

People with the rare genetic disease fibrodysplasia ossificans progressiva characteristically have short big toes.

The big toe is the most common locus of gout attacks.

HEAD: Forehead – Eye – Ear – Nose – Mouth – Tongue – Teeth – Jaw – Face – Cheek – Chin NECK: Throat – Adam's apple TORSO: Shoulders – Spine – Chest – Breast – Ribcage – Abdomen – Belly button :Sex organs (Penis/Scrotum/Testicle or Clitoris/Vagina/Ovary/Uterus) – Hip – Anus – Buttocks LIMBS: Arm – Elbow – Forearm – Wrist – Hand – Finger (Thumb - Index finger - Middle finger - Ring finger - Little finger) – Leg – Lap – Thigh – Knee – Calf – Heel – Ankle – Foot – Toe (Hallux) SKIN: Hair

See also

• Morton's toe

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