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 | - | - |