The thenar muscles help move the thumb and let you touch the pad of the thumb to the tips each of each finger on the same hand, a motion called opposition. The ulnar nerve travels through a separate tunnel, called Guyon’s canal. This tunnel is formed by two carpal bones, the pisiform and hamate, and the ligament that connects them. After ...

2010年8月14日 · Learn the proper names of each finger and how to accurately describe the location of your hand pain using this practical example. Know your hand anatomy!

2019年10月25日 · Reddish-blue skin patches on the palms of your hands are a symptom of endocarditis, an infection of the inner lining of your heart chambers and heart valves. The condition can also cause reddish-brown streaks under the fingernails and small, painful nodules in the pads of your fingers.

2015年12月16日 · Palmar interossei ADduct the fingers, and dorsal interossei ABduct the fingers (hence PAD/DAB). The radial artery enters the hand by passing between the two heads of the first dorsal interosseous.

What is a knuckle pad? A knuckle pad is a well-defined thickening over a finger joint. They are also called Garrod pads or holoderma. Knuckle pads are classified as a form of fibromatosis along with Dupuytren contracture (palmar fibromatosis), pachydermodactyly, Ledderhose syndrome (plantar fibromatosis) and Peyronie disease (penile fibromatosis).

“Thenar indention with pain, tingling or numbness should be discussed with your healthcare provider so that you can be checked for carpel tunnel syndrome.” If you don’t have these additional symptoms but are certain that you can clearly see “atrophy,” it’s very likely just benign asymmetry due to natural anatomy or overuse of that hand.

Only the palm is protected by a strong pad of tendons (aponeurosis) for a powerful grip. Our hands are put through quite a lot day in and day out, and are often within range of dangerous tools. This makes hand and wrist injuries and problems due to wear and tear very common.

2010年9月18日 · Atrophy or wasting of the thumb (thenar) muscles is the last stage of nerve injury in carpal tunnel syndrome. Hand muscles bulge underneath the skin of your hand. The most obvious one is on the palm side of the thumb at the thumb base. These are the thenar muscles.

2024年2月6日 · In this article, we will examine the anatomy of the finger, including its different parts and functions, to get detailed information about the fingers. The finger joints allow the performing of various movements with precision and accuracy. These joints are necessary for bending, straightening, twisting, and grasping objects.

Group of muscles contributing to the fleshy pad of your hand just proximal to the thumb. They arise from various bony and connective tissue attachments to insert on the bones of the thumb, thereby controlling its movement in multiple directions.