PHYS30010 Bonus Challenge Question

The question should be answerable in under 300 words. There are no penalties for exceeding the

word count, but superfluous information will not be marked favourably. The best answers will be

succinct, and within the recommended word limit.

Consider the figure below:

Nerve-implant muscle grafts: (Carlson and Faulkner, Am. J. Physiol. 256:C1262-

C1266,1989)

muscles innervated by 21 days

• Cross-age muscle transplantation:

EDL muscle

old

young

o

Host

How did these experiments enhance our understanding of skeletal muscle regeneration?

old

-young