Different Dual-Task Paradigm Reduce Postural Control Ability and Dynamic Stability of Healthy Young Adults during Stair Descent

Table 1

Comparison of mechanical parameters of the lower limbs.

	ST	CT	MT
Peak hip flexion moment (N · m/kg)	0.34 ± 0.11	0.28 ± 0.04	0.25 ± 0.04
Peak hip extension moment (N · m/kg)	−0.38 ± 0.14	−0.40 ± 0.12	−0.34 ± 0.08
First peak knee extension moment (N · m/kg)	0.92 ± 0.14	0.77 ± 0.13^a	0.54 ± 0.10^ab
Second peak knee extension moment (N · m/kg)	1.27 ± 0.17	1.33 ± 0.11	1.16 ± 0.14
First peak ankle plantar flexion moment (N · m/kg)	−1.14 ± 0.16	−0.99 ± 0.20^a	−0.94 ± 0.13^a
Second peak ankle plantar flexion moment (N · m/kg)	0.76 ± 0.10	0.80 ± 0.12^a	0.89 ± 0.16

Notes: ^aSignificantly different compared with ST after interference with this task; ^bsignificant difference between CT and MT. ST, single task; CT, cognitive task; MT, manual task.