Hand Anatomy Bones And Tendons
You can sprain your wrist by stretching it too far or carrying.
Hand anatomy bones and tendons. The human hand is located at the end of the forearm and it is made out of 27 different bones as well as two different muscle groups the intrinsic muscle group and extrinsic muscle group. The four tendons glide in sheaths along the hand and fingers and insert into the fingertip bone.
The red lines show where the tendons attach the muscles to the bones. The human hand has 27 bones.
The tendons that allow each finger joint to straighten are called the extensor tendons. The calcaneus heel bone is the largest bone in the foot.
Let s take a more detailed look at the construction of the human hand including the bones muscles nerves and. The metacarpus or palm contains 5.
The muscle belly divides into 4 tendons. File x ray boy hand jpg file scheme human hand bones en svg.
They connect to 5 metacarpal bones that form the palm of the hand. Common wrist injuries and conditions include.
Wrist bones ligaments tendons muscles and nerves can be injured or damaged. The extensor tendons of the fingers begin as muscles that arise from the backside of the forearm bones.
Tendons are bands of connective tissue that attach the muscles to the bone enabling the muscles to move the bones. They act with the profundus tendons to flex the wrist and mcp and pip.
These muscles travel towards the hand where they eventually connect to the extensor tendons before crossing over the back of the wrist joint. The main tendons of the hand are.
The image below shows the bones of the hand from the back side. Hand muscles and hand tendons.
P the human hand is made up of the wrist palm and fingers and consists of 27 bones 27 joints 34 muscles over 100 ligaments and tendons and many blood vessels and nerves p p the wrist is comprised of 8 carpal bones. These tendons run closer to the bone compared to the rest of the flexors in the hand and fingers.
The muscles in the forearm and palm thenar muscles all work together to keep the wrist and hand moving stable and well aligned. The carpus or wrist account for 8.
These bones fit into a shallow socket formed by the bones of the. The remaining 14 are digital bones.
The function of the carpal tunnel is to provide an anatomical tunnel and protection for various structures that pass from your forearm and into your hand. There are nine tendons tendons connect muscles to bones and a nerve that travel through the passageway formed by the carpal tunnel.
The eight bones of the wrist are arranged in two rows of four. The bones of the hand include the carpal bones the metacarpals and the phalanges.
Superficialis tendons which pass through the palm side of the wrist and hand and attach at the bases of the middle phalanges. They run down the forearm and within the carpal tunnel.
