Medial meniscus injury changed plantar pressure distributions and decreased posture stability especially in those with varus alignment: a cross-sectional study based on a wearable smart plantar pressure system

Table 2 Comparison of dynamic normalized peak force (%) between patients and healthy controls

Plantar regions	Control group (n = 29)	MM with neutral alignment (n = 29)	MM with varus alignment (n = 25)	P value
HP region	22.74 ± 4.87	20.98 ± 5.14	19.01 ± 5.89^b	0.042
HA region	10.74 ± 3.40	10.47 ± 3.51	10.34 ± 3.11	0.901
ML region	8.69 ± 2.62	6.50 ± 1.82^a	7.27 ± 2.21^b	0.001
MM region	0.28 ± 0.36	0.47 ± 0.61	0.35 ± 0.55	0.353
M1 region	19.70 ± 7.05	19.70 ± 6.55	20.88 ± 5.24	0.808
M3 region	24.02 ± 6.01	23.28 ± 5.97	23.06 ± 5.47	0.839
M5 region	19.73 ± 4.11	19.53 ± 5.97	19.19 ± 5.10	0.935
T1 region	16.27 ± 6.00	14.01 ± 4.24	12.20 ± 5.16^b	0.031

T1 region: the first phalanx; M1 region: first metatarsal; M3 region: third metatarsal; M5 region: fifth metatarsal; MM region: medial midfoot; ML region: lateral midfoot; HA region: anterior heel; HP region: posterior heel
a: significant differences between the control group and neutral alignment group; b: significant differences between the control group and varus alignment group

ISSN: 1749-799X