Flexor tendons

Tendons that facilitate the bending of joints, primarily in the fingers and toes.

Flexor tendons are a group of fibrous connective tissues that connect muscles to bones, enabling movement by allowing the bending (flexion) of joints. They originate from the flexor muscles in the forearm or leg and attach to the bones in the fingers, toes, and other parts of the body. These tendons are crucial for gripping and manipulating objects, as well as for walking and running.

Terminologia Anatomica

tendo flexor

System

Musculoskeletal system

Function

The primary function of flexor tendons is to transmit the force generated by the flexor muscles, allowing for the flexion of joints such as the fingers and toes. This bending action is essential for a wide variety of daily activities, including writing, typing, and grasping objects. In the hands, the flexor tendons allow for fine motor skills and dexterity, making it possible to perform tasks ranging from playing musical instruments to sewing. The flexor tendons in the feet also play a vital role in walking and running by enabling the toes to curl and push off the ground. Additionally, these tendons help maintain grip strength and support various hand functions, contributing significantly to overall hand function and coordination.

Location

Flexor tendons are located throughout the body, primarily found in the upper and lower limbs. In the hands, they run along the palmar side of the fingers and are housed within a protective sheath that minimizes friction during movement. The tendons generally extend from the forearm muscles through the carpal tunnel and into the fingers, where they attach to the bone of each digit. In the feet, the flexor tendons are located near the plantar surface, leading from the calf muscles down into the toes. These tendons pass through specialized compartments that protect and facilitate their movement, allowing for precise control of bending actions.

Did You Know?

The flexor tendons in the fingers and toes are the most commonly injured tendons in human anatomy due to their frequent use.
Flexor tendon injuries can result in significant impairment of hand function, highlighting the importance of these structures in daily activities.
Flexor tendons are surrounded by a synovial sheath that helps reduce friction and allows smooth gliding of the tendons during movement.
Surgery to repair a severed flexor tendon can restore hand function, but it often requires a lengthy rehabilitation process.