The ScrumTruk was the first machine developed by MyoQuip Pty Ltd. Originally designed specifically for rugby forwards, it converts the vertical resistance of gravity into resistance in the horizontal plane, which is where the rugby forward operates. Forward dominance is the platform on which rugby success is built. In establishing dominance, the crucial factor is the ability of the forwards to deliver pushing power and to withstand the counter-force generated by the opposing pack.In exercising with ScrumTruk, the lower spine adopts moderate curvature necessary for effective pushing and avoidance of lower 
back strain. This position also triggers isometric contraction of the stabilising muscles of the pelvic and abdominal regions.
For open field play, ScrumTruk develops the leg drive essential in both attacking and defensive engagements. Its use is therefore recommended for both backs and forwards.
back strain. This position also triggers isometric contraction of the stabilising muscles of the pelvic and abdominal regions.For open field play, ScrumTruk develops the leg drive essential in both attacking and defensive engagements. Its use is therefore recommended for both backs and forwards.
The most novel feature of the ScrumTruk is its use of MyoQuip's patented QuadTorq technology, which permits full-range concentric and eccentric loading.
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ScrumTruk
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1 comment:
Thanks for the comment, Nick.
In my experience rather than the ScrumTruk "teach[ing] the trainee to keep the back arched," the effect of gravity on the horizontal back pulls the spine into its natural lordosis or curvature, similar to that when the person is standing upright.
With this alignment the spine can handle very great loading or compression. For this reason people who have given up on the squat because of bulging discs or back pain are able to fully load their leg extensors with no discomfort.
Another perceived consequence of ScrumTruk use, which I think is also related to learning better posture, is that performance in the squat itself is enhanced, in respect of both poundages and correct form.
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