I agree, TrA muscle is a long endurance muscle, and hence low intensity high
repetition is the way to retrain these muscles. However, I do not agree on
isolating the TrA contraction:
1. It is very difficult to teach and do
2. The muscles in the human body work as a whole, and isolating a single
muscle contraction seems to ignore the fact that other muscles are involved
in the equation.
What I teach my patients is a combination of activating the TrA, pelvic
floor muscles, multifidus and diaphram, hence forming a box to stabilize
IntAb pressure and stabilizing the back. It is much easier to do and more
functional in my opinion.
Henry***
>From: "Al & Pete" <[log in to unmask]>
>Reply-To: [log in to unmask]
>To: <[log in to unmask]>
>Subject: TrA activations
>Date: Sun, 8 Oct 2000 01:50:01 +1000
>
>My understanding of the reason for having patients perform an isolated
>contraction is this:
>When you perform a sit-up or cough etc, TrA is activated phasically, and an
>isolated contraction is the only way to induce a tonic activation, which is
>the only way to affect the automatic activation of the muscle.
>I am happy to be proved wrong if people know otherwise.
>
>Allison Franks, Physiotherapist, Brisbane, Australia.
>
>
> >Interesting thing... TA is activated during sit up and coughing, but I
>guess
> >you also activate other muscles as well. What what Dr Richardson says is
> >that the aim is to control TA contraction at the correct time hence
>avoiding
> >back pain.. and not neccessarily strengthening it.
> >
> >Henry***
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