People with an ALS diagnosis will experience muscle weakness as their nerve cells deteriorate over time. The cause is still ...

The thumb is one of five digits on each hand, but it has a different shape and function from the other digits. However, most medical guides refer to the thumb as a finger. Also known as the pollex or ...

Thumb hypermobility is when a person’s thumb joint has an unusually large range of movement. Some people may experience mild to severe joint pain and require treatment. Share on Pinterest Ivan ...

Despite long-standing ideas about the importance of thumb evolution in tool use and development, questions remain about exactly when human-like manual dexterity and efficient thumb use arose—and which ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Thumb arthritis can make everyday tasks—gripping, lifting, even opening a jar—feel impossible. But there are many effective options that exist before surgery is even on the table. Hand surgeon ...

Archaeologists have long linked ancient tool use to the beginning of human history. Homo habilis, the theory goes, was the "handy man" who used tools and served as the intermediary species between the ...

The human thumb is a marvel of evolution, allowing our ancestors to craft stone tools and radically expand their food choices. New research suggests our agile, dextrous thumbs appeared 2 million years ...