Scaphoid (boat shaped or navicular), lunate (moon shaped), triquetrum
What is the name of the wrist bones?
Your wrist is made up of eight small bones ( carpal bones ) plus two long bones in your forearm — the radius and the ulna. The most commonly injured carpal bone is the scaphoid bone, located near the base of your thumb.
What are the wrist bones called quizlet?
The carpals (wrist bones) are traditionally divided into two rows (a proximal row and a distal row) of four carpals each.
Which bone is a carpal bone quizlet?
is composed of 8 short bones of the wrist , the Carpal bones, which are lined p to form a proximal and a distal row of bones.
What are the bones of the wrist in order?
- Scaphoid. The scaphoid is a bone in the wrist. ...
- Lunate. The lunate is a bone in the middle of the wrist in the first row of wrist bones. ...
- Triquetrum. ...
- Trapezoid. ...
- Trapezium. ...
- Capitate. ...
- Hamate. ...
- Pisiform.
What stabilizes the wrist joint?
The triquetrum bone is the last bone found in the first row of carpal bones. It’s located closest to the pinky finger. It helps to stabilize the wrist and allows the joint to bear more weight.
What are the wrist movements?
Movements of the Wrist Joint
The wrist is an ellipsoidal (condyloid) type synovial joint, allowing for movement along two axes. This means that flexion, extension, adduction and abduction can all occur at the wrist joint. All the movements of the wrist are performed by the muscles of the forearm.
What are the major bones that form the hand and wrist quizlet?
- Scaphoid. a large carpal bone articulating with the radius below the thumb.
- Lunate. a crescent-shaped carpal bone situated in the center of the wrist and articulating with the radius.
- Triquetral. ...
- Pisiform. ...
- Trapezium. ...
- Trapezoid. ...
- Capitate Bone. ...
- Hamate.
What bones make up the wrist joint quizlet?
The no. of wrist bones & arrangement? 8 carpal bones , two rows of four form the wrist.
How many carpels make up the wrist quizlet?
how many carpals make up the wrist? The wrist is comprised of 8 carpals . identify the bones that make up the palm of the hand. The metacarpals are located between the carpals (the wrist) and the phalanges (the fingers).
What bone shape are the carpal bones of the wrist quizlet?
It has a pyramidal shape and articulates with the lunate, pisiform, and hamate bones.
Which of the following is a carpal bone?
The eight carpal bones ( scaphoid, lunate, triquetrum, pisiform, hamate, capitate, trapezoid, and trapezium ) are arranged in two rows between the metacarpal bases distally and the distal radius and ulna (with the intervening TFCC) proximally (Fig.
What is the name for the bones of the chest quizlet?
Bones of the Thoracic Cage. the bone framework of the chest is called the thoracic cages and consists of the thoracic vertebrae posteriorly, the ribs laterally, and the sternum anteriorly.
What is the anatomy of the wrist?
The wrist connects the hand to the forearm . It consists of the distal ends of the radius and ulna bones, eight carpal bones, and the proximal ends of five metacarpal bones. This arrangement of bones allows for a wide range of movement.
Which bone is distal to the wrist?
The radius is one of two forearm bones and is located on the thumb side. The part of the radius connected to the wrist joint is called the distal radius. When the radius breaks near the wrist, it is called a distal radius fracture. The break usually happens due to falling on an outstretched or flexed hand.
Which bone extends more distally at the wrist?
On the lateral surface of the radius is the radial styloid process, which extends more distally than the remainder of the bone, and from which arises the radial collateral ligament of the wrist joint. The articular surface of the radius is divided into an ulnar and a radial portion by a faint central ridge of bone.
