carpal bone
Hand's foundational block
A carpal bone is any of the eight small bones that form the wrist, arranged in two rows between the forearm and the hand.
The carpals allow the wrist's complex range of motion.
She fractured a carpal bone in the fall.
Carpal bone, thumb-side
- lunateCurved like a crescent
- capitateEnlarged at the tip
- trapezoidPolygon with parallel pair
- trapeziumQuadrilateral without parallel sides
metacarpals · radius · ulna · synovial · ligament · tendon · ossification · periosteum
Split in hard material
- sprainLigament stretch injury
- dislocationForced out of position
- arthritisInflamed joint disease
- ganglion cystBenign joint fluid sac
arthroscopy · splint · cast · X-ray · MRI · swelling · repetitive strain · ergonomics
Decreasing a joint angle
- extensionAdded part or duration
- abductionUnlawful seizure of person
- adductionMotion toward body's center
- rotationTurning on an axis
grip · dexterity · manipulation · articulation · mobility · precision · coordination · stability
scaphoid
Carpal bone, thumb-side
trapezium · metacarpals · radius · ulna · synovial · ligament · tendon · ossification · periosteum · distal
fracture
Split in hard material
- sprainLigament stretch injury
- dislocationForced out of position
- arthritisInflamed joint disease
ganglion cyst · arthroscopy · splint · cast · X-ray · MRI · swelling · repetitive strain · ergonomics · tendinitis
flexion
Decreasing a joint angle
- extensionAdded part or duration
- abductionUnlawful seizure of person
- adductionMotion toward body's center
rotation · grip · dexterity · manipulation · articulation · mobility · precision · coordination · stability · grasping
carpal bonephalanx
Massed infantry formation
finger bone · metacarpal · forearm bone · radius · ulna
carpal, carpus, bone, bones, boned, boning, bony, boneless, debone