‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

Understanding the Context

Yahoo: Muscle twitching? Difference between twitch and spasm and when to worry Add Yahoo as a preferred source to see more of our stories on Google. Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary ...

Key Insights

A hand is a prehensile, multi- fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. To understand conditions affecting the hand, wrist, and forearm, an understanding of hand anatomy is required. The hand and associated anatomical structures are made up of bones, joints, muscles, tendons, ligaments, nerves, and blood vessels. In this article, we will examine the various parts of the hand, their functions, and their significance in everyday life. This article also provides a detailed overview of the anatomy of the hand that is useful for students, medical learners, and anyone curious about how the human body works.

Final Thoughts

Hand, grasping organ at the end of the forelimb of certain vertebrates that exhibits great mobility and flexibility in the digits and in the whole organ. It is made up of the wrist joint, the carpal bones, the metacarpal bones, and the phalanges. Learn more about the hand in this article. What are the hand and wrist? Your hand and wrist are complex parts of your body that let you touch and control objects.