Dr Mel Siff Blog

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When Serge Reding and I discussed the possible mechanisms for strengthening
by means of electrostimulation training about 30 years ago, we both felt that
the process may have to do with enhancing the ability of the athlete to
tolerate high levels of muscle tension if the ES is applied with progressions
to very high levels of activation. The following paper offers some
corroborating evidence in this regard.

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Improvement in isometric strength of the quadriceps femoris muscle after
training with electrical stimulation. Read more…

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Someone contacted me privately about methods of training if one has any
injury, weakness or dysfunction of one arm.

These were some of my suggestions – if you have a power rack, you can use
reverse band methods to limit the weight on the bar and control its line of
action while you do bench, inclined press, deadlifts, limited range pulls and
so on. The bands (or bungee cord) are attached to the top of the power rack
and the barbell or dumbbell is suspended from the bands – the amount of
assistance offered depends on the thickness of the bands or cords. Read more…

A colleague of mine from the Neuromuscular discussion group gave me
permission to repost this interesting letter here.

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< There have been two articles in the literature (Rose et al., J. Orth. Res.
12 758-68 and Ito et al., Brain and Development 18: 299-303) suggesting that
there is a predominance of type-I fibres in gastrocnemius muscle of children
with spastic cerebral palsy, possibly due to the altered patterns of
stimulation that these muscles receive. Because of the slower dynamic
qualities of these muscles, it is possible that they exacerbate the poor
motor abilities that children with spastic CP possess.

It has been suggested to me that transformation of type-I to type II fibres
may occur with high intensity exercise or high intensity electrical
stimulation. It makes some sense, but does anybody know of reported data to
support this view?

I’d be grateful for any help. >

Adam Shortland PhD
One Small Step Gait Laboratory
LONDON, UK.
adam.shortland@VIRGIN.NET

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Dr Mel Siff

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