Mechanical Testing of a Novel Fastening Device to Improve Scoliosis Bracing Biomechanics for Treating Adolescent Idiopathic Scoliosis

Table 1

Corrective forces and moments applied by brace to the SAM.

Brace configuration			Upper load cell readings				Lower load cell readings
Brace	Posterior straps	Dynamic load	Fx (N)	Fy (N)	Fz (N)	Mt (Nm)	Fx (N)	Fy (N)	Fz (N)	Mt (Nm)
CB	Velcro	N/A	−15.1	0.4	−175.4	−0.7	11.2	20.1	−128.7	0.1
CB	CTU	N/A	−16.0	1.0	−191.6	−0.5	14.8	18.3	−141.8	0.1
MB	Velcro	0 N	−12.1	−8.7	−81.2	−1.3	6.1	7.8	−39.4	0.1
MB	Velcro	35.6 N	−10.8	−7.4	−93.9	−0.7	5.1	11.4	−60.2	0.1
MB	Velcro	71.2 N	−13.5	4.5	−180.3	−1.1	9.0	25.1	−129.2	0.1
MB	CTU	0 N	−14.6	3.5	−169.0	−0.6	11.6	23.2	−126.1	0.1
MB	CTU	35.6 N	−15.2	10.0	−231.6	−0.6	11.9	33.8	−177.9	0.1
MB	CTU	71.2 N	−15.7	11.2	−220.4	−0.4	13.7	31.9	−169.7	0.1