Chilla Wilson (44)
Somewhat.Yes, but also more and more as a seperate entity where their training focuses more on speed and agility and the 15s more bulk and power. There are obvious crossovers but they are very different games.
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I think from a strength/power conditioning stand-point things would be reasonably similar, with the caveat of 7s players having to watch their skinfolds to the extreme (thus limiting that power output).
The big difference is in the 'motor'. 7s guys need the ability to repeat short powerful efforts with short rests, but for shorter periods of work overall, plus they need to recover quicker between games. Whereas, XVs guys need to repeat those efforts over a longer period of time, but with higher rest ratios, and much higher recovery. .
It's not as simple as speed V power.
TBH, with the lower training age these U20s guys have I think they'd actually be substantially less specialised than older athletes. So it would be less of an issue.