Case study: biomechanical analysis of trunk stability in two modes of propulsion of manual wheelchair during start and stabilized speed

Figures & data

Table 1. Mean ± standard deviation of the results obtained during start-up.

	Start-up
	Asy	Syn
	ISI	0,45	0,1
Trunk amplitude (°)	Rotation	48,3 ± 21,8	3,6 ± 1,2
	Flexion	9,0 ± 3,2	14,0 ± 3,2
PC amplitude (cm)	PCx	17,3 ± 1,0	20,8 ± 0,6
	PCy	14,2 ± 2,0	4,5 ± 0,5
Temporal parameters	PT (%)	43,2 ± 6,3	49,7 ± 12,9
	RT (%)	56,8 ± 6,3	50,3 ± 12,9
	CT (s)	1,5 ± 0,4	1,4 ± 0,4
Propulsive moment (N)	Mz-L	26,4 ± 5,6	28,0 ± 3,5
	Mz-R	26,8 ± 9,1	26,1 ± 1,9

Table 2. Mean ± standard deviation of the results obtained during propulsion.

	Propulsion
	Asy	Syn
	ISI	0,46	0,09
Trunk amplitude (°)	Rotation	33,3 ± 13,5	2,9 ± 0,5
	Flexion	7,14 ± 3,3	7,7 ± 1,7
PC amplitude (cm)	PCx	15,4 ± 4,0	15,9 ± 1,5
	PCy	12,1 ± 0,8	5,3 ± 0,4
Temporal parameters	PT (%)	39,1 ± 6,8	43,1 ± 11,4
	RT (%)	60,9 ± 6,8	56,9 ± 11,4
	CT (s)	1,4 ± 0,2	1,3 ± 0,2
Propulsive moment (N)	Mz-L	17,4 ± 7,4	25,3 ± 2,9
	Mz-R	20,9 ± 5,4	25,4 ± 2,1