Gait performance and foot pressure distribution during wearable robot-assisted gait in elderly adults

Table 3 Foot Pressure Distribution under Three Conditions (N = 30)

Masks	Parameters	FG	RAG-Z	RAG
Total Foot	MxF (%BW)	112.85 ± 10.30	119.56 ± 12.06	128.97 ± 14.55^**†
Total Foot	PP (N/cm²)	34.63 ± 11.32	35.72 ± 10.73	48.24 ± 18.49^**†
Medial Masks	MxF (%BW)	20.92 ± 4.08	21.59 ± 4.33	24.21 ± 4.36^*†
Medial Masks	PP (N/cm²)	22.28 ± 7.52	22.68 ± 7.67	30.69 ± 12.26^*†
Lateral Masks	MxF (%BW)	13.75 ± 2.29	13.94 ± 2.89	13.83 ± 3.85
Lateral Masks	PP (N/cm²)	18.63 ± 4.84	19.52 ± 6.05	17.06 ± 5.06
Anterior Masks	MxF (%BW)	10.89 ± 1.69	11.37 ± 1.75	13.48 ± 2.42^**††
Anterior Masks	PP (N/cm²)	16.47 ± 4.14	16.35 ± 3.63	20.01 ± 5.84^*†
Posterior Masks	MxF (%BW)	31.66 ± 6.56	32.84 ± 5.76	37.81 ± 7.96^*†
Posterior Masks	PP (N/cm²)	4.30 ± 1.87	4.65 ± 1.76	5.29 ± 1.99

Values are expressed as number or mean ± standard deviation
Medial Masks: Medial heel, 1st metatarsal, 1st toe
Lateral Masks: Lateral heel, 2nd-5th metatarsals, 2nd-5th toes
Anterior Masks: 1st-5th toes, 1st-5th metatarsals
Posterior Masks: Medial heel, Lateral heel
FG free gait without robot assistance, RAG-Z robot-assisted gait with zero torque, RAG robot-assisted gait, MxF (%BW) maximum force (%body weight), PP peak pressure
^*Different from the FG condition (p < 0.05), ^**Different from the FG condition (p < 0.01)
^†Different from the RAG-Z condition (p < 0.05), ^††Different from the RAG-Z condition (p < 0.01)

ISSN: 1743-0003