Table 2. Spatio-temporal parameters. Kinematic data (degrees) of the hip, pelvis and thorax. Hip median peak values of internal moments in the frontal plane (Nm/Kg). Vertical ground reaction forces (GRFv, %BW).
| Spatio-temporal parameters | Subjects with UTA (n=25) | Control group (n=25) | ||
|---|---|---|---|---|
| Prosthetic side | Sound side | Left control group (n=25) | Right control group (n=25) | |
| Walking speed (m/s) | 1.13 (.12) | 1.20 (.14) | ||
| Cadence (steps/min) | 104.71 (7.67) | 109.35 (6.78) | ||
| Stride length (m) | 1.29 (.18) | 1.28 (.17) | 1.22 (.14) | 1.28 (.12) |
| Parameters (frontal plane) | Prosthetic side | Sound side | Left control group (n=25) | Right control group (n=25) |
| Thorax obliquity. Peak value during stance period. | –4.17 (2.95)* | –2.11 (3.54) | –.84 (2.47) | –.79 (2.21) |
| Pelvic obliquity Peak value during loading response. | 1.73 (2.04)* | 3.17 (2.44) | 4.17 (2.29) | 3.42 (2.41) |
| Pelvic obliquity. Peak value during middle stance. | – 2.16 (2.12)* | –1.26 (2.41) | .69 (2.34) | .38 (219) |
| Pelvic obliquity. Peak value during pre-swing phase. | –3.01 (3.48) | –1.38 (3.16) | –3.25 (2.63) | –4.12 (2.59) |
| Hip adduction. Peak value during stance period. | 2.81 (3.35)* | 5.05 (3.72) | 5.44 (3.70) | 5.67 (3.21) |
| First peak of the hip abductor moment | .55 (.34) | .77 (.23) | .73 (.15) | .70 (.22) |
| Second peak of the hip abductor moment | .72 (.24)*+ | .93 (.36) | .89 (.14) | .82 (.09) |
| Fy1 | 102.65 (13.76)+ | 110.53 (9.51) | 102.01 (7.57) | 102.07 (8.01) |
| Fy2 | 97.75 (11.80)*+ | 105.57 (7.60) | 111.60 (4.39) | 111.62 (3.99) |
Values are mean and standard deviation (SD)
*
p<0.05 vs. Control side (right and left)
+
p<0.05 vs. Sound side
Fy1
. First peak of t he vertical GRF
Fy2
. Second peak of the vertical GRF
GRF
. Ground Reaction Forces
UTA
. Unilateral Transtibial Amputation.