Table 3.
Comparison of mean (SD) peak internal moments (Nm/kg*m) during single limb support (SLS) phase on each limb for step descent between groups and between limbs within each group. TTA, Transtibial amputation with diabetes group; DM, Diabetes group; HC, healthy cohort.
| TTA Amputated n=9 |
TTA Intact n=9 |
DM n=10 |
HC n=10 |
|
|---|---|---|---|---|
| Low Back | ||||
| Extension | −0.13 (0.14) § | −0.02 (0.07) | −0.01 (0.18) | 0.08 (0.13) |
| Timing (%SLS) | 68.7 (28.6) | 80.8 (32.2) | 64.2 (30.9) | 80.3 (31.6) |
| Lateral Bend | 0.24 (0.13) *† | 0.16 (0.08) | 0.15 (0.04) | 0.10 (0.07) |
| Timing (%SLS) | 38.5 (23.9) | 49.3 (26.2) | 54.7(7) | 53.7 (7.1) |
| Hip | ||||
| Extension | −0.30 (0.08) § | −0.15 (0.07) | −0.22 (0.17) | −0.17 (0.15) |
| Timing (%SLS) | 24.3 (31.1) | 0.2 (0.4) | 5.5 (11.8) | 1.5 (2.5) |
| Abduction | −0.34 (0.11) | −0.44 (0.13) | −0.43 (0.07) | −0.44 (0.06) |
| Timing (%SLS) | 50.2 (54.6) | 43.5 (33.8) | 20.2 (25.11) | 8.7 (19.6) |
| Knee | ||||
| Extension | 0.49 (0.12)*§ | 0.88 (0.18) † | 0.67 (0.16) | 0.76 (0.15) |
| Timing (%SLS) | 59.7 (14) | 64.8 (9.6) | 63.6 (6.5) | 69.8 (4) |
| Adduction | 0.03 (0.03) †§ | 0.20 (0.08) * | 0.13 (0.07) | 0.10 (0.07) |
| Timing (%SLS) | 35 (29.6) | 58.2 (11.9) | 64.6 (6.4) | 62.8 (10.2) |
Note: Results of post hoc analyses are indicated by the following symbols:
*
Significant difference vs. HC
†
Significant difference vs. DM
§
Significant difference between TTA Amputated vs. TTA Intact