Table 2.

Deformities, contracture, and precipitated factors of stiff person syndrome.

S. No	Study	Deformities/contractures	Precipitated factors
1	George et al. 1984	Mild thoracic kyphoscoliosis B/L knees flexion contracture Rt heel cord shortening	Sudden noise Emotional stress
2	Weissman et al. 2005	NI	NI
3	Potter 2006	Hip flexion and plantar flexion with inversion of his ankle	Emotional stress physical exertion
4	Hegyi 2011	Moderate thoracic kyphosis Foot plantar flexed and inverted	NI
5	Kelly et al. 2014	B/L leg contractures	NI
6	Koca et al. 2014	Lumbar lordosis with elbow flexion	NI
7	Karaoglan et al. 2015	Minimal scoliosis Flattening of cervical lordosis and lumbar hyperlordosis	NI
8	Kahraman et al. 2016	Rounded shoulder and Forward head	NI
9	Chang et al. 2016	Hyperlordosis of lumbar spine Plantar flexed	Startle or Emotional upset

B/L: Bilateral; Rt: Right; NI: No Information.