Asked by: Neida Hanenko
asked in category: General Last Updated: 27th June, 2020

Why is the patella classified as a sesamoid bone?

The kneecap is the largest sesamoid bone in the body. Sesamoids act like pulleys, providing a smooth surface for tendons to slide over, increasing the tendon's ability to transmit muscular forces. The sesamoid is a small nodular bone most often present embedded in tendons in the region of the thumb.

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Similarly, which is a sesamoid bone?

A sesamoid is a bone embedded in a tendon. Sesamoids are found in several joints in the body. In the normal foot, the sesamoids are two pea-shaped bones located in the ball of the foot, beneath the big toe joint.

Likewise, are sesamoid bones normal? Introduction. The term sesamoid is used for certain small nodular foci composed of bone , cartilage, or both that are shaped like a sesame seed 1. Sesamoid bones are common in humans, and vary in number. As many as 42 sesamoid bones can be found within a single person 2.

Similarly, what bone classification is the patella?

Sesamoid Bones

Bone Classifications
Bone classification Features Examples
Flat Thin and curved Sternum, ribs, scapulae, cranial bones
Irregular Complex shape Vertebrae, facial bones
Sesamoid Small and round; embedded in tendons Patellae

What is the purpose of sesamoid bones?

Sesamoid bones are small more or less rounded masses embedded in certain tendons and usually related to joint surfaces. Their functions probably are to modify pressure, to diminish friction, and occasionally to alter the direction of a muscle pull.

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