Research Article
Change of Muscle Architecture following Body Weight Support Treadmill Training for Persons after Subacute Stroke: Evidence from Ultrasonography
Table 2
Changes of muscle architectural parameters of TA and MG after 3-week BWSTT.
(a) |
| TA mean (SD) | | | BWSTT group | CGT group | | | Affected | Unaffected | Affected | Unaffected |
| Pennation angle (°) | Rest | Before | 6.15 (1.28) | 7.60 (2.58) | 6.47 (1.26) | 6.78 (2.08) | After | 7.26 (1.62)* | 7.81 (2.07) | 6.05 (0.86) | 6.34 (1.55) | MVC | Before | 7.65 (2.20) | 9.78 (2.82) | 8.16 (1.49) | 8.67 (1.57) | After | 9.11 (1.95)* | 10.29 (2.46) | 7.94 (1.18) | 8.55 (1.75) |
| Muscle thickness (cm) | Rest | Before | 1.02 (0.09) | 1.14 (0.16) | 0.90 (0.16) | 1.05 (0.85) | After | 1.09 (1.12)* | 1.09 (0.12) | 0.86 (0.11) | 0.85 (0.10) | MVC | Before | 1.16 (0.07) | 1.26 (0.17) | 1.02 (0.11) | 1.15 (0.16) | After | 1.21 (0.11)* | 1.22 (0.14) | 1.01 (0.10) | 0.93 (0.10) |
| Fascicle length (cm) | Rest | Before | 7.52 (1.90) | 7.45 (2.28) | 6.48 (0.87) | 6.56 (1.43) | After | 7.43 (1.88) | 7.28 (1.79) | 6.38 (1.01) | 6.68 (1.44) | MVC | Before | 7.45 (1.80) | 7.18 (2.27) | 6.12 (1.25) | 5.62 (1.11) | After | 7.13 (2.32) | 6.79 (2.04) | 6.03 (1.17) | 5.47 (0.84) |
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(b) |
| MG mean (SD) | | | BWSTT group | CGT group | | | Affected | Unaffected | Affected | Unaffected |
| Pennation angle (°) | Rest | Before | 18.73 (3.44) | 19.74 (5.66) | 20.82 (6.44) | 19.35 (4.21) | After | 19.32 (3.86) | 21.35 (4.50) | 19.05 (6.70) | 22.27 (11.81) | MVC | Before | 26.75 (4.17) | 26.12 (5.65) | 27.48 (5.29) | 26.16 (7.09) | After | 25.57 (4.26) | 30.45 (6.89) | 28.69 (7.31) | 26.68 (7.65) |
| Muscle thickness (cm) | Rest | Before | 1.50 (0.21) | 1.60 (0.32) | 1.53 (0.31) | 1.65 (0.37) | After | 1.61 (0.26) | 1.64 (0.32) | 1.58 (0.36) | 1.65 (0.25) | MVC | Before | 1.59 (0.27) | 1.67 (0.27) | 1.66 (0.17) | 1.69 (0.24) | After | 1.63 (0.27) | 1.66 (0.23) | 1.65 (0.24) | 1.67 (0.13) |
| Fascicle length (cm) | Rest | Before | 4.66 (1.06) | 5.13 (1.17) | 4.65 (0.66) | 5.18 (1.12) | After | 5.23 (1.07)* | 5.15 (1.06) | 4.84 (0.93) | 5.10 (1.21) | MVC | Before | 3.76 (1.08) | 3.74 (1.18) | 3.74 (0.57) | 3.78 (1.0) | After | 4.02 (4.14)* | 3.41 (1.04) | 3.54 (0.90) | 3.44 (0.73) |
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SD: standard deviation.
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