Table 4.

Internal consistency of Trunk Impairment Scale (n = 170)

Scale/dimension	No. of items	Cronbach’s α
Total scale	17	0.86
Static sitting balance	3	Not applicablea
Dynamic sitting balance	10	0.83
Co-ordination	4	0.92

^aNone of participants had sever static balancing impairment that a constant score (2) was assigned for all