What is the function of the thenar eminence?

What is the function of the thenar eminence?

The thenar eminence helps to control the fine movements of the thumb, including being able to grab, grip, and pinch objects. The abductor pollicis brevis and the flexor pollicis brevis allow for movement of the thumb away or towards the other fingers of the hand.

Why is the thenar eminence spared in carpal tunnel syndrome?

Fixed sensory loss is usually a late finding characterized by a distinctive clinical pattern that involves the median-innervated fingers and spares the thenar eminence. This pattern occurs because the palmar sensory cutaneous nerve arises proximal to the wrist and passes over, rather than through, the carpal tunnel.

Why does my hypothenar eminence hurt?

The hypothenar eminence is the fleshy mass at the medial side of the palm. Hypothenar eminence pain or tenderness is quite common. Acute pain may be due to a fracture or dislocation of the pisiform bone or a fracture of the hook of the hamate.

How do you treat thenar eminence pain?

Medical treatments A thumb splint is commonly used to treat thenar eminence pain. It immobilizes your thumb, so the muscles can’t be overused. This helps to relieve the pain and gives your muscles time to heal.

Can Thenar atrophy be reversed?

Unfortunately, thenar muscle atrophy is not completely reversible and contributes to hand weakness. Surgery is understood to prevent further worsening of the thenar atrophy, with some authors also reporting varying degrees of post-operative improvement.

How is Hypothenar eminence pain treated?

A thumb splint is commonly used to treat thenar eminence pain. It immobilizes your thumb, so the muscles can’t be overused….Medical treatments

  1. immobilizing your thumb with kinesiology tape.
  2. nonsteroidal anti-inflammatory drugs, such as ibuprofen and naproxen.
  3. steroid injections.
  4. acupuncture, acupressure, or dry needling.

What is the position of the thenar?

The thenar eminence refers to the group of muscles on the palm of the human hand at the base of the thumb. The skin overlying this region is the area stimulated when trying to elicit a palmomental reflex. The word thenar comes from Greek θέναρ (thenar) ‘palm of the hand’.

What is thenar and hypothenar mean?

The thenar eminence is the fleshy mound at the base of the thumb . The hypothenar eminence is the mound located at the base of the fifth digit (little finger). The eminences at either side of the hand are made up of muscles. The muscles located in the thenar eminence function primarily to control the thumb.

What are the thenar muscles?

Summary Information: Thenar Muscles. Thenar Muscles: The thenar muscles are a group of muscles located in the palmar hand just proximal to the thumb. The thenar muscles work together to give the thumb its wide range of motion and variety of movements. The thenar muscles include the abductor pollicis brevis, flexor pollicis brevis,…