Tenodesis Grasp and Release Explained

Tenodesis Grasp and Release

The action of the wrist that opens and closes the fingers during tenodesis is known as the “grasp and release.” The tendons in the forearm and the fingers serve as a large pulley system since they cross over several joints.

What does tenodesis look like?

When your knuckles are higher than your wrist, this position is known as wrist extension or hand grab. When you stretch your wrist, your fingers will instinctively curl or hold onto one another. When the wrist is extended, the tendons that run down the fingers become more condensed, which causes the finger joints to bend forward.

Why would you need to use tenodesis?

Tenodesis grip and release is a method that allows people with spinal cord injuries to pick things up, grab them, and then let go of them.

 

To open and close their fingers, persons who are able to do so use the flexor and extensor muscles in their hands. Signals may be sent to the muscles that control the wrist after an injury to the cervical level of the spinal cord, which is the neck. However, signals may not be sent to the muscles that control the fingers after such an injury.

How do I use tenodesis to do tasks?

When I want to keep my hand and fingers together, I utilize a wrist extender. This makes my fingers more rigid, which improves my ability to grasp objects. I release my grip on objects by flexing my wrist, which also opens up my hand and fingers, so I can let go of things without difficulty.

 

If I try to take up a water bottle while keeping my wrist completely straight, I won’t be able to retain it in my fingers for very long. For this reason, I grab the bottle by flexing my wrist to open my fingers and then extending it to shut my fingers before I pick it up. This allows me to obtain a good grip on the bottle.

 

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