What is lumbrical?

What is lumbrical?

The lumbricals are deep muscles of the hand that flex the metacarpophalangeal joints and extend the interphalangeal joints. It has four, small, worm-like muscles on each hand. These muscles are unusual in that they do not attach to bone.

What is function of lumbricals?

The lumbrical muscles are unique in having their origin and insertion on tendons. The lumbricals assist in metacarpophalangeal joint flexion; they contribute to interphalangeal joint extension by acting as deflexors of the proximal interphalangeal joint.

What are lumbrical stretches?

To achieve lumbrical intensive stretching, the subjects rested their hand, palm down, on their thigh with the PIP and DIP joints fully flexed (fig 2; A-1), and then pressed downward over the MCP joints with the opposite hand (fig 2; A-2).

What are the 4 lumbricals?

The lumbricals are four, small, worm-like muscles on each hand. These muscles are unusual in that they do not attach to bone. Instead, they attach proximally to the tendons of flexor digitorum profundus, and distally to the extensor expansions.

What is an action of the Lumbrical muscles?

The lumbrical muscles of the hand flex the fingers at the metacarpophalangeal (MCP) joints, and extend them at the interphalangeal (IP) joints. These actions are important for many functions of the hand, such as gripping movements. Their counterparts, the lumbricals of the foot, have a similar action on the toes.

How do you treat Lumbrical injury?

In the case of a grade I tear, gentle pain-free stretching of the lumbricals is performed for 4-6 weeks followed by graduated loading. For grade II muscle tears, buddy taping is recommended for a maximum of 8 weeks, followed by a similar treatment as per a grade I tear.

How do you stretch Lumbrical?

Bend fingers down until all knuckles are bent. The tips of the fingers should touch the pads at the base of the fingers. Hold the stretch for a few seconds and repeat with the opposite hand. Complete the stretch five times daily.