Dear Henry,
When you say "active psoas m" do you mean normally active, or
containing active trigger points?
Shirley Sarhrmann's series of abdominal ex trains use of TA &
internal obliques while using psoas.
Sarah
Henry Tsao wrote:
> I have approached DR Hodges and Caroline Richardson (who lectured me at UQ)
> and they did do a correlation study while conducting their transversus
> trainning, and he did find that people with active psoas muscles could not
> activate their transversus muscles. However, he did not want to publish
> these results simply (according to Paul anyway) 1. he had enough information
> on transversus as it is 2. trigger points is not an acceptable theory and is
> definitely not something they want to teach undergraduate students at
> University of Queensland. But Aileen Jefferis has commented on this fact
> also. As with the exact mechanism... I guess that is another topic for
> further research.
>
> 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***
>
> >From: Garry T Allison <[log in to unmask]>
> >Reply-To: [log in to unmask]
> >To: [log in to unmask]
> >Subject: Re: Muscle (transversus) strengthening
> >Date: Sat, 14 Oct 2000 09:42:35 +0800
> >
> >I've noticed a few questions in regard to muscle strengthening of the
> >Transversus Abdominis.
> >
> >It is quiet clear that proponents of the importance of the
> >Transversus abdominis in association with LBP is not about
> >strengthening the muscle. It is about motor control or more
> >generically one should consider the TrAb "performance".
> >
> >The concept is about altering the drive mechanisms of the muscle over
> >and above the global strategy of co-activation patterning with other
> >trunk muscles i.e external oblique & rectus abd.
> >
> >Therefore if one wants to describe their primary research construct
> >as 'strengthen transversus' there is a fundamental error in
> >interpreting the literature - as it stands today. Taking this
> >position will provide the opportunity for many skeptics / general
> >resistance training experts to point out the errors of the way. IMHO
> >with current research and using the concept of "strength /
> >resistance training" this is a very difficult position to defend in
> >advocating TrAb strengthening exercises for LBP.
> >
> >By the way..doing a sit-up activates TrAb , as does coughing, jumping
> >and increasing IAP. In comparison the (isolation) exercises are at
> >relatively low intensities about 25-30% of a cough and of much longer
> >duration. Chaulk & cheese.
> >
> >regards
> >GTA.
> >
> >
> >
> >
> >--
> >________________________________________________
> >Garry T Allison (A/Professor of Physiotherapy)
> >The Centre for Musculoskeletal Studies http://www.cms.uwa.edu.au/
> >Department of Surgery, The University of Western Australia.
> >Level 2 Medical Research Foundation Building
> >Rear 50 Murray Street
> >Perth Western Australia 6000.
> >email <[log in to unmask]>
> >ph: (618) 9224 0219
> >Fax (618) 9224 0204
> >
> >
> >
> >
>
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