Hand Muscle Anatomy

Bones muscles tendons nerves. The extrinsic and intrinsic muscle groups.

The Muscles Of The Arm And Hand Anatomy Medicine Com

Hand muscles interossei dorsal and palmar the interossei muscles begin between the bones of the hand.

Hand muscle anatomy. There are four dorsal and three palmar interossei muscles. The muscles of the hand consist of five groups. They are called extrinsic because the muscle belly is located on the forearm.

While all interossei bend the mcp joints the dorsal interossei allow us to spread our fingers away from each other. One row connects with the ends of the bones in the forearm radius and ulna. This is a slender triangle shaped tendon a fibrous band.

The thenar lateral or thumb side of the palm hypothenar medial or little finger side of the palm and intermediate middle of the hand muscles. Muscles of the hand. These are four lumbricals in the hand each associated with a finger.

Muscles of the hand thenar muscles. The muscles on the anterior side of the forearm such as the flexor carpi radialis and flexor digitorum superficialis form the flexor group that flexes the hand at the wrist and each of the phalanges. Anatomy of the hand and wrist.

This is a tutorial on those muscles. The tendons of these muscles pass through a small corridor in the wrist known as the carpal tunnel. The carpal bones are arranged in 2 interrelated rows.

The thenar muscles are three short muscles located at the base of the thumb. The wrist links the hand to the arm. Some of the muscles tendons and ligaments of the hand as well as those of the forearm that affect hand movement include.

The extrinsic muscle groups are the long flexors and extensors. The muscles acting on the hand can be subdivided into two groups. This forearm muscle is responsible for extending all of the fingers.

The muscles of the hand can be broken down into three main regions. The wrist is a complex mechanical system of 8 small bones known as the carpal bones. The intrinsic muscles of the hand are those muscles that are responsible for position grip.

The muscles that originate in the forearm and insert onto the hand are responsible for power grip and the muscles that originate in the hand and are responsible for position grip are the intrinsic muscles. The hypothenar muscles produce the hypothenar eminence a muscular protrusion. The palmar interossei pull our fingers together.

Hand Anatomy Tuned In Guitar Lessons