Parkinson’s disease (PD): hand and foot deformities
Evidence-based neurology checklist on parkinson’s disease (pd): hand and foot deformities: Swan neck hand deformity: features Metacarpophalangeal (MCP) joint flexion Proximal interphalangeal hyperextension Distal interphalangeal joint flexion Distal interphalangeal joint subluxation in severe…
Swan neck hand deformity: features
- Metacarpophalangeal (MCP) joint flexion
- Proximal interphalangeal hyperextension
- Distal interphalangeal joint flexion
- Distal interphalangeal joint subluxation in severe cases
- Ulnar deviation
- Extended thumb
Thumbs up posture
Other hand deformities
Hitchhiker’s great toe
Other foot deformities
References
- Ashour R, Tintner R, Jankovic J. Striatal deformities of the hand and foot in Parkinson's disease. Lancet Neurol 2005; 4:423-431.
- Gortvai P. Deformities of the hand and feet in Parkinsonism and their reversibility by operation. JNNP 1963; 6:33-36.
- Kyriakides T, Hewer RL. Hand contractures in Parkinson's disease. JNNP 1988; 51:1221-1223.
- Turner MR, Matthews L, Ebers GC. Teaching video neuroimage: the "Fonzarelli" sign: focal thumb dystonia as an early manifestation of Parkinson disease. Neurology 2008; 71:e11.
