Knuckle Anatomy

Knuckle the joint of a finger. A joint of a finger when the fist is closed.

Broken Knuckle Archives Arora Hand Surgery

Anatomical terminology edit on wikidata the knuckles are the joints of the fingers.

Knuckle anatomy. The next knuckle out toward the fingernail is the proximal inter phalangeal joint pip. The knuckle joint of an animal killed for eating is the tarsal or carpal joint of its leg. Dislocations of this joint occur when the finger bends too far hyperextension and a bone is displaced from its joint.

Knuckling is used to describe a deformity of the leg of a horse caused by a contraction of the posterior tendon of the fetlock. Finger joints knuckles the middle finger joint is called the proximal interphalangeal joint pip. The word is cognate to similar words in other germanic languages such as the dutch knokkel knuckle or german knöchel ankle ie knöchlein the diminutive of the german word for bone knochen.

In hand analysis the tip segment of the middle finger is called the 2nd fingers 1st phalanx whereas in anatomy the same body part is considered the 3rd fingers 3rd phalanx. Different names for the fingers and knuckles. Knuckles is a plural form of knuckle general anatomy.

The farthest joint of the finger is the distal inter phalangeal joint dip. The word is used also in medical parlance to describe a loop of bowel within a hernial sac. The first and largest knuckle is the junction between the hand and the fingers the metacarpophalangeal joint.

While the medical community has adopted standard anatomy terms the field of hand analysis still uses its own set of names for different parts of the hand. Dislocation of the pip joint is a common injury for athletes.

Illustration Picture Of Hand Structures Finger Anatomy