Table 2.
Descriptive statistics and association coefficients (r values) between measures of strength of the lower limb and trunk muscles and comfortable/maximum gait speeds in individuals with sub-acute stroke.
| Muscular group | Mean, SD [min–max] | Comfortable gait speed r (n) |
Maximum gait speed r (n) |
|---|---|---|---|
| Paretic lower limb | |||
| Hip flexors | 7.5, SD 3.7 [2.0–19.5] | 0.49 (41)* | 0.55 (40)* |
| Hip extensors | 10.8, SD 4.3 [1.9–21.4] | 0.38 (39)* | 0.48 (38)* |
| Hip abductors | 8.5, SD 3.8 [1.6–18.5] | 0.53 (42)* | 0.59 (41)* |
| Knee flexors | 6.6, SD 3.6 [1.6–16.6] | 0.43 (40)* | 0.52 (39)* |
| Knee extensors | 9.8, SD 4.4 [1.8–19.1] | 0.40 (41)* | 0.52 (40)* |
| Ankle plantar flexors | 8.9, SD 4.3 [1.9–20.6] | 0.47 (40)* | 0.53 (40)* |
| Ankle dorsiflexors | 5.7, SD 2.4 [1.7–14.1] | 0.37 (39)* | 0.43 (39)* |
| Non-paretic lower limb | |||
| Hip flexors | 8.8, SD 4.07 [2.3–19.4] | 0.47 (41)* | 0.52 (40)* |
| Hip extensors | 10.9, SD 3.5 [4.3–19] | 0.46 (40)* | 0.55 (39)* |
| Hip abductors | 9.5, SD 3.3 [3.0–19.1] | 0.51 (42)* | 0.53 (41)* |
| Knee flexors | 8.2, SD 3.3 [2.0–19.2] | 0.29 (42) (p = 0.06) | 0.40 (41)* |
| Knee extensors | 11.1, SD 4.1 [3.8–20.9] | 0.36 (41)* | 0.49 (40)* |
| Ankle plantar flexors | 9.6, SD 3.8 [4.1–17.4] | 0.47 (42)* | 0.37 (41)* |
| Ankle dorsiflexors | 7.0, SD 2.7 [1.4–16.2] | 0.47 (42)* | 0.40 (41)* |
| Trunk | |||
| Flexors | 10.0, SD 3.4 [3.3–18.1] | 0.50 (43)* | 0.60 (42)* |
| Extensors | 10.6, SD 2.9 [3.6–19.2] | 0.47 (43)* | 0.60 (42)* |
| Right lateral flexors | 8.6, SD 2.9 [3.2–15.2] | 0.48 (40)* | 0.58 (39)* |
| Left lateral flexors | 8.9, SD 3.3 [3.5–19.0] | 0.52 (42)* | 0.61 (41)* |
| Right lateral rotators | 7.6, SD 2.6 [3.4–14.2] | 0.39 (40)* | 0.50 (39)* |
| Left lateral rotators | 7.4, SD 2.5 [2.0–13.1] | 0.41 (41)* | 0.52 (40)* |
n, number; r, Pearson correlation coefficient; SD, standard deviation; min, minimum; max, maximum.
*
p < 0.05.