Table 1.
Anthropometrics, ankle joint, and muscle-tendon parameters of children with cerebral palsy and typically developing peers
| CP (n = 10) | TD (n = 12) | Effect size | |
|---|---|---|---|
| Age (years) | 12.0 (2.8) | 11.3 (2.5) | |
| Body mass (kg) | 45.2 (19.1) | 44.8 (15.5) | |
| Height (cm) | 149.2 (21.2) | 152.7 (16.5) | |
| Lower leg length (cm) | 36.2 (6.0) | 36.9 (5.3) | |
| Resting ankle joint angle (°) | −26.2 (5.7)* | −20.8 (4.5) | 1.06 |
| MTU length (normalized)a | 1.06 (0.04)* | 1.10 (0.04) | 1.00 |
| GM muscle belly length (normalized)a | 0.53 (0.08)* | 0.59 (0.04) | 0.98 |
| GM muscle belly length (% of MTU length) | 50 (6) | 54 (4) | 0.80 |
| Achilles tendon length (normalized)a | 0.53 (0.06) | 0.51 (0.05) | −0.37 |
| Achilles tendon length (% of MTU length) | 50 (6) | 46 (4) | −0.80 |
| Achilles tendon cross-sectional area (mm2) | 44.5 (10.6) | 52.3 (10.5) | 0.74 |
Values are reported as mean (standard deviation). CP cerebral palsy; TD typically developing; MTU muscle-tendon unit; GM gastrocnemius medialis
anormalized to lower leg length
*significantly different from TD, p < .05