Differences in Plantar Flexor Fascicle Length and Pennation Angle between Healthy and Poststroke Individuals and Implications for Poststroke Plantar Flexor Force Contributions

Table 2

Fascicle lengths and pennation angles for post-stroke and healthy adults (±SD).

	𝐿^𝑓MG (m)	𝐿^𝑓LG (m)	𝐿^𝑓SOL (m)	𝜃MG (°)	𝜃LG (°)	𝜃SOL (°)
Paretic	0.0510 ± 0.0079	0.0549 ± 0.0184	0.0397 ± 0.0104	15.7 ± 3.0	13.1 ± 4.7	18.0 ± 34
Non-Paretic	0.0513 ± 0.0082	0.0545 ± 0.0172	0.0384 ± 0.0106	20.6*  ± 4.6	14.6 ± 5.3	17.9 ± 5.8
Healthy	0.0547 ± 0.0079	0.0619 ± 0.0075	0.0394 ± 0.0098	19.4*  ± 2.9	13.7 ± 2.1	18.4 ± 3.8
ANOVA 𝑃-value	0.5596	0.0868	0.9641	0.0181	0.5079	0.9239

∗Significant increase compared to paretic limb.