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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: J Prosthet Orthot. 2020 Oct;32(4):258–271. doi: 10.1097/jpo.0000000000000280

Table 4.

Mean and standard deviation of onset expressed in percentage of the support phase of local extremum of forces and moments on the anteroposterior (AP), mediolateral (ML) and long (LG) axes of the implant fitted with usual (USU) and Free-Flow (FFF) feet during activities of daily living. H: High PV, L: Low PV, A: Above MCID, B: Below MCID.

Level walking Ascending ramp Descending ramp Ascending stairs Descending stairs
USU
F AP1 12.99±6.97 H - - - - - - - -
F AP2 83.23±7.42 L 75.12±18.13 H 29.04±15.60 H 40.92±30.22 H 78.06±12.31 L
F ML1 39.77±15.47 H 35.82±15.94 H 65.08±15.86 H 37.85±19.26 H 52.71±15.61 H
F LG1 43.40±18.57 H 59.65±20.91 H 52.69±13.68 H 75.62±14.16 L 40.76±17.05 H
M AP1 93.94±12.79 L 73.82±20.38 H 58.69±19.18 H 80.46±22.53 H 52.65±29.61 H
M ML1 13.06±4.43 H 3.24±2.36 H 47.58±20.87 H 7.23±10.45 H 73.47±13.20 L
M ML2 76.38±6.99 L 74.29±11.02 L 89.58±11.73 L 81.23±6.19 L - -
M LG1 - - 68.82±13.65 L 87.54±15.17 L 15.15±11.34 H - -
M LG2 - - - - - - 71.15±25.55 H - -
FFF
F AP1 15.11±9.62 H - - - - - - - -
F AP2 80.09±5.68 L 67.06±20.49 H 20.09±13.20 H 48.83±26.96 H 71.00±15.40 H
F ML1 43.41±20.85 H 40.39±17.14 H 61.77±23.19 H 41.39±17.40 H 51.16±20.75 H
F LG1 45.68±19.78 H 63.11±18.32 H 46.43±19.88 H 71.44±15.25 H 42.21±21.27 H
M AP1 72.30±20.02 H 64.06±15.86 H 63.89±25.10 H 60.11±28.41 H 34.21±35.11 H
M ML1 11.50±3.68 H 2.83±1.50 H 26.51±10.93 H 5.83±11.56 H 70.74±13.73 L
M ML2 76.95±7.00 L 76.33±5.82 L 88.17±11.81 L 80.39±4.03 L - -
M LG1 - - 68.44±12.28 L 87.43±11.84 L 27.67±15.77 H - -
M LG2 - - - - - - 77.22±17.72 H - -
Difference
F AP1 2.12 A - - - - - - - -
F AP2 −3.14 B −8.06 A −8.95 A 7.91 A −7.06 B
F ML1 3.64 B 4.57 A −3.31 B 3.54 B −1.55 B
F LG1 2.27 B 3.46 B −6.26 A −4.17 B 1.45 B
M AP1 −21.64 A −9.77 A 5.19 B −20.35 A −18.44 A
M ML1 −1.56 A −0.40 A −21.06 A −1.40 A −2.73 B
M ML2 0.57 B 2.04 B −1.41 B −0.84 B - -
M LG1 - - −0.38 B −0.11 B 12.51 A - -
M LG2 - - - - - - 6.07 B - -