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Table 3 Sagittal joint moments for the prosthetic side (TTA, TFA) and controls

From: Benefits of a microprocessor-controlled prosthetic foot for ascending and descending slopes

 

TFA

 

TTA

 

Controls

 

ESR

MPF-M

ESR

MPF-M

-

Prosthetic side—UP

     

 Sagittal ankle moment at SA = 0 (Nm/kg)

0.92 ± 0.05

0.65 ± 0.18

0.83 ± 0.15

0.42 ± 0.16

0.07 ± 0.05

 Peak sagittal ankle moment (Nm/kg)

1.45 ± 0.18

1.59 ± 0.15

1.26 ± 0.18*

1.45 ± 0.18

1.69 ± 0.13

 Sagittal knee moment at SA = 0 (Nm/kg)

0.72 ± 0.16

0.53 ± 0.11

0.55 ± 0.15

0.28 ± 0.20

-0.41 ± 0.21

 Peak sagittal knee moment (Nm/kg)

0.74 ± 0.14

0.68 ± 0.12

0.70 ± 0.17

0.45 ± 0.17

0.65 ± 0.14

Prosthetic side—DOWN

     

 Sagittal ankle moment at SA = 0 (Nm/kg)

− 0.11 ± 0.11

− 0.18 ± 0.11*

− 0.20 ± 0.08

0.02 ± 0.22

0.01 ± 0.13

 Peak sagittal ankle moment mid-late stance (Nm/kg)

1.27 ± 0.11

1.18 ± 0.07

1.08 ± 0.19÷

1.17 ± 0.08÷

1.32 ± 0.14

 Sagittal knee moment at SA = 0 (Nm/kg)

− 0.28 ± 0.16

− 0.34 ± 0.15

− 0.22 ± 0.20

− 0.13 ± 0.19*

− 0.42 ± 0.15

 Peak sagittal knee moment (Nm/kg)

− 0.85 ± 0.14

− 0.78 ± 0.07

− 0.53 ± 0.27

− 0.35 ± 0.28÷

− 0.81 ± 0.15

  1. Statistical differences between feet within a group (TTA, TFA) marked bold (p < 0.05). Values for controls are given for a qualitative comparison. SA = 0—vertical shank orientation. Ankle moments: positive—dorsiflexing, negative—plantar flexing; knee moments: positive—extending, negative—flexing