What are the bones in the hand and wrist?
Your wrist is made up of eight small bones (carpal bones) plus two long bones in your forearm — the radius and the ulna. Each finger consists of one hand bone (metacarpal) and three finger bones (phalanges), while each thumb consists of one metacarpal bone and two phalanges.
What is the bone that sticks out on wrist?
| Pisiform bone | |
|---|---|
| The left pisiform bone | |
| Details | |
| Origins | ulnar collateral ligament |
| Articulations | triangular |
What are the 7 bones of the wrist?
Carpus Hand and Wrist Bones The eight bones that make up carpus are each called the trapezium, trapezoid, capitate, hamate, pisiform, triquetrum, lunate, and the scaphoid. the most commonly injured carpal bone is the scaphoid bone, located near the base of your thumb.
Why are there 27 bones in the hand and wrist?
The bones of the hand and wrist provide the body with support and flexibility to manipulate objects in many different ways. Each hand contains 27 distinct bones that give the hand an incredible range and precision of motion.
What’s the bone in your hand called?
phalanges
The palm has five bones known as metacarpal bones, one to each of the 5 digits. These metacarpals have a head, a shaft, and a base. Human hands contain fourteen digital bones, also called phalanges, or phalanx bones: two in the thumb (the thumb has no middle phalanx) and three in each of the four fingers.
What is the pinky side of the hand called?
Thenar and hypothenar are two terms that describe the fleshy mass of skin, fat, and muscle on the thumb side (radial) and the small finger side (ulnar) of the hand.
Why is my bone sticking out of my hand?
A carpal boss is an overgrowth of bone on the back of the hand where the middle or index finger bones meet your wrist, similar to a bone spur/osteophyte. A carpal boss is not a tumour but can be misdiagnosed as a ganglion cyst. They are solid and cannot be moved.
What are the 8 wrist bones?
There are eight wrist bones, including the scaphoid bone, which is often fractured.
- 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.