Hand Surgery Glossary
100 terms total — 24 showing — Last updated 07 Sep 2026
Froment sign
A clinical test indicating ulnar nerve weakness, characterized by thumb IP joint flexion when attempting to grip paper.
Rolando fracture
Comminuted intra-articular fracture at the base of the first metacarpal, more complex than a Bennett fracture.
sagittal band rupture
Tear of the tendinous bands that stabilize extensor tendons at the metacarpophalangeal joint level.
Salter-Harris classification
A standardized system for categorizing pediatric physeal (growth plate) fractures based on anatomical involvement and pr...
scaphoid fracture
Fracture of the boat-shaped carpal bone, prone to delayed healing due to poor blood supply.
scapholunate dissociation
Disruption of the ligamentous connection between scaphoid and lunate bones causing carpal instability.
SLAC wrist
Scapholunate advanced collapse - a pattern of progressive wrist arthritis that develops following chronic scapholunate l...
SLI
Scapholunate instability - disruption of the normal relationship between the scaphoid and lunate bones causing wrist pai...
Stener lesion
Displacement of the ulnar collateral ligament of the thumb over the adductor aponeurosis.
swan neck deformity
Finger deformity characterized by hyperextension at the PIP joint and flexion at the DIP joint.
syndactyly release
Surgical separation of fused fingers or toes, typically involving skin grafts for coverage.
tenodesis effect
Passive finger flexion and extension that occurs with wrist motion due to tendon length changes.
tenolysis
Surgical procedure to free adhesions around tendons to restore normal gliding function.
TFCC
Triangular fibrocartilage complex stabilizing the distal radioulnar joint and ulnar wrist.
thenar eminence
Muscular prominence at the base of the thumb containing muscles essential for thumb opposition and grip.
thenar space
A potential fascial space in the palm bounded by the thenar muscles radially and the index finger flexor tendons ulnarly...
Tinel sign
Clinical test involving percussion over a nerve to elicit tingling in its distribution, indicating nerve pathology.
trapeziectomy
Surgical removal of the trapezium bone, typically performed for thumb carpometacarpal arthritis treatment.
triangular fibrocartilage complex
Anatomical structure on ulnar side of wrist providing stability and load transmission between forearm and hand.
trigger finger release
Surgical division of the A1 pulley to treat stenosing tenosynovitis causing finger triggering.
two-point discrimination
A clinical test measuring tactile sensory function by determining the minimum distance between two stimuli that can be p...
vascularized bone graft
A bone graft that maintains its blood supply through microvascular anastomosis.
VISI
Volar intercalated segment instability; carpal instability pattern where lunate tilts toward the palm.
Volkmann's contracture
Ischemic muscle contracture of the forearm resulting from compartment syndrome or arterial injury.
WALANT
Wide awake local anesthesia with no tourniquet technique used in hand surgery.