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Table 1 Anthropometrics, ankle joint, and muscle-tendon parameters of children with cerebral palsy and typically developing peers

From: Muscle and tendon morphology alterations in children and adolescents with mild forms of spastic cerebral palsy

 

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

  1. Values are reported as mean (standard deviation). CP cerebral palsy; TD typically developing; MTU muscle-tendon unit; GM gastrocnemius medialis
  2. anormalized to lower leg length
  3. *significantly different from TD, p < .05