Fig. 9.

Percent distribution of muscle fibers with various numbers of nerve endplates 4 days after birth (pre-exp.) and 3 months after unloading or cage housing (R+0-mo, A), 1 (B), 2 (C), and 3 (D) months after ambulation recovery, respectively. Mean ± SEM. *, ^†, and ^§: p < 0.05 vs. the 4-day old control, R+0-mo, and the age-matched control, respectively. See Fig. 7 for other abbreviations. Cited from [108]