The bones of the hand and wrist can be broken down into 14 phalanges 5 metacarpals and 8 carpals. The thenar muscles are four in total.
Anatomy 101 Wrist Muscles And Forearm Muscles The
One row connects with the ends of the bones in the forearm radius and ulna.
Anatomy of hand and wrist. The carpal bones are arranged in 2 interrelated rows. The wrist is a complex mechanical system of 8 small bones known as the carpal bones. Watch the following videos to find out everything about all the bones of the hand.
Profundus tendons which pass through the palm side of the wrist and hand. Nerves arteries veins. The main tendons of the hand are.
The wrist links the hand to the arm. Extensor tendons of the fingers which attach to the middle and distal phalanges and extend. The nerves innervating the muscles of the hand originate higher up.
This quiz will test your knowledge on how to identify these bones trapezium trapezoid hamate pisiform triquetral capitate etc dont forget to check out more anatomy and physiology quizzes. When you are taking anatomy and physiology you will be required to know the location of the hand and wrist bones. The wrist connects the hand to the forearm.
The two bones of the lower arm the radius and the ulna meet at the hand to form the wrist. The forearms ulna and radius support the many muscles that manipulate the bones of the hand and wrist. The anatomy of wrist thumb and hand is complex because of the presence of many different functional joints.
They are evident and easy to palpate on. The smaller bone the ulna is on the little finger side. The bones of the hand and wrist provide the body with support and flexibility to manipulate objects in many different ways.
There are two long bones in the forearm that run from the elbow to the wrist. Bones muscles tendons nerves. When you combine both handswrists youll get a total of 54 bones out of the 206 human bones in the average adult skeleton.
Superficialis tendons which pass through the palm side of the wrist and hand. Hand wrist anatomy the hand is composed of many small bones called carpals metacarpals and phalanges. The larger bone the radius is on the same side as the thumb.
Each hand contains 27 distinct bones that give the hand an incredible range and precision of motion. It consists of the distal ends of the radius and ulna bones eight carpal bones and the proximal ends of five metacarpal bones. Anatomy of the hand and wrist.
Radioulnar joint the wrist joint containing the radiocarpal and the intercarpal joints the carpometacarpal joints the trapeziumfirst metacarpal joint the metacarpophalangeal.
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