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
AffectedUnaffectedAffectedUnaffected

Pennation angle (°)RestBefore6.15 (1.28)7.60 (2.58)6.47 (1.26)6.78 (2.08)
After7.26 (1.62)*7.81 (2.07)6.05 (0.86)6.34 (1.55)
MVCBefore7.65 (2.20)9.78 (2.82)8.16 (1.49)8.67 (1.57)
After9.11 (1.95)*10.29 (2.46)7.94 (1.18)8.55 (1.75)

Muscle thickness (cm)RestBefore1.02 (0.09)1.14 (0.16)0.90 (0.16)1.05 (0.85)
After1.09 (1.12)*1.09 (0.12)0.86 (0.11)0.85 (0.10)
MVCBefore1.16 (0.07)1.26 (0.17)1.02 (0.11)1.15 (0.16)
After1.21 (0.11)*1.22 (0.14)1.01 (0.10)0.93 (0.10)

Fascicle length (cm)RestBefore7.52 (1.90)7.45 (2.28)6.48 (0.87)6.56 (1.43)
After7.43 (1.88)7.28 (1.79)6.38 (1.01)6.68 (1.44)
MVCBefore7.45 (1.80)7.18 (2.27)6.12 (1.25)5.62 (1.11)
After7.13 (2.32)6.79 (2.04)6.03 (1.17)5.47 (0.84)

(b)

MG mean (SD)BWSTT groupCGT group
AffectedUnaffectedAffectedUnaffected

Pennation angle (°)RestBefore18.73 (3.44)19.74 (5.66)20.82 (6.44)19.35 (4.21)
After19.32 (3.86)21.35 (4.50)19.05 (6.70)22.27 (11.81)
MVCBefore26.75 (4.17)26.12 (5.65)27.48 (5.29)26.16 (7.09)
After25.57 (4.26)30.45 (6.89)28.69 (7.31)26.68 (7.65)

Muscle thickness (cm)RestBefore1.50 (0.21)1.60 (0.32)1.53 (0.31)1.65 (0.37)
After1.61 (0.26)1.64 (0.32)1.58 (0.36)1.65 (0.25)
MVCBefore1.59 (0.27)1.67 (0.27)1.66 (0.17)1.69 (0.24)
After1.63 (0.27)1.66 (0.23)1.65 (0.24)1.67 (0.13)

Fascicle length (cm)RestBefore4.66 (1.06)5.13 (1.17)4.65 (0.66)5.18 (1.12)
After5.23 (1.07)*5.15 (1.06)4.84 (0.93)5.10 (1.21)
MVCBefore3.76 (1.08)3.74 (1.18)3.74 (0.57)3.78 (1.0)
After4.02 (4.14)*3.41 (1.04)3.54 (0.90)3.44 (0.73)

SD: standard deviation.