Table 4.
Changes in muscle water R2 (s−1) between baseline and 3 hours following the voluntary ankle dorsiflexion exercise (Δ water R2) in the lower leg muscles of subjects with Duchenne muscular dystrophy (A) and the healthy volunteers (B).
(A) Subjects with Duchenne muscular dystrophy | ||||
Baseline Mean ± SE |
Post-Exercise Mean ± SE |
Δ water R2 Mean ± SE (n) |
||
Ankle dorsiflexors | Extensor digitorum longus | 27.3 ± 0.8 | 25.5 ± 0.8 | −1.8 ± 0.7 (12) |
Tibialis anterior | 25.5 ± 0.4 | 24.1 ± 0.4 | −1.4 ± 0.4 (12) | |
Ankle plantarflexors | Soleus | 23.1 ± 0.4 | 22.8 ± 0.3 | −0.3 ± 0.3 (9) |
Gastrocnemius lateralis | 23.1 ± 0.4 | 22.6 ± 0.2 | −0.5 ± 0.3 (9) | |
Gastrocnemius medialis | 23.1 ± 0.3 | 22.5 ± 0.3 | −0.6 ± 0.4 (9) | |
(B) Healthy Volunteers | ||||
Baseline Mean ± SE |
Post-Exercise Mean ± SE |
Δ water R2 Mean ± SE (n) |
||
Ankle dorsiflexors | Extensor digitorum longus | 27.4 ± 0.4 | 26.5 ± 0.3 | −1.1 ± 0.6 (18) |
Tibialis anterior | 28.1 ± 0.5 | 26.7 ± 0.4 | −1.4 ± 0.7 (18) | |
Ankle plantarflexors | Soleus | 25.6 ± 0.2 | 25.1 ± 0.2 | −0.6 ± 0.3 (18) |
Gastrocnemius lateralis | 25.9 ± 0.2 | 25.2 ± 0.2 | −0.9 ± 0.4 (18) | |
Gastrocnemius medialis | 26.1 ± 0.2 | 25.1 ± 0.2 | −1.0 ± 0.4 (18) |