Epicondyle

Epicondyle is a term in anatomy that refers to a projection on a bone above a condyle (a rounded prominence at the end of a bone, usually for articulation with another bone). Epicondyles provide the point of attachment for muscles and ligaments of the bone. The term is derived from the Greek words epi, meaning 'upon', and condyle, meaning 'knuckle'.

Types of Epicondyles

There are two main types of epicondyles: medial and lateral.

Medial Epicondyle

The Medial Epicondyle is found on the inner side of the bone. It is larger and more prominent than the lateral epicondyle and is the point of attachment for the muscles that flex the wrist and fingers.

Lateral Epicondyle

The Lateral Epicondyle is found on the outer side of the bone. It is the point of attachment for the muscles that extend the wrist and fingers.

Epicondyles in Different Bones

Epicondyles are found in several bones in the human body, including the femur, humerus, and tibia.

Femur

The Femur or thigh bone has two epicondyles, the medial and lateral epicondyle. They are located at the lower end of the femur and provide attachment for several ligaments and muscles.

Humerus

The Humerus or upper arm bone also has two epicondyles, the medial and lateral epicondyle. They are located at the lower end of the humerus and provide attachment for several muscles that move the forearm and hand.

Tibia

The Tibia or shin bone has a single medial epicondyle. It is located at the upper end of the tibia and provides attachment for several ligaments of the knee.

See Also

• Condyle
• Bone
• Muscle
• Ligament

References

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