Table 1.
General characteristics of experimental subjects
| Normal | DMD | |
|---|---|---|
| Sample size | 11 | 14 |
| Age (months) | 14.2 ± 1.99* | 8.44 ± 1.11 |
| Age range (months) | 3.6–22.1 | 5.3–21.8 |
| Body weight (kg) | 17.08 ± 1.8* | 10.36 ± 0.84 |
| Heart rate (beats/min) | 102.44 ± 4.39* | 125.62 ± 5.29 |
| Forearm volume (mL) | 326.82 ± 42.07* | 193.57 ± 13.42 |
| ECU muscle P o (N) | 66.92 ± 10.96* | 31.80 ± 3.73 |
| ECU muscle sP o (N/cm2) | 6.01 ± 0.35* | 4.61 ± 0.50 |
Abbreviations: DMD, Duchenne muscular dystrophy; ECU, extensor carpi ulnaris. P o, maximum tetanic force; sP o, specific tetanic force. *Significantly different from the DMD group.