Excellent, Lyle -- you are confirming all my prejudices. The twinges are dull and don't start until the next day.
Patrick "Mash 'em!" Moore
On Wed, Jan 6, 2010 at 6:57 AM, LyleBogart{AT}gmail.com <
[email protected]> wrote:
> Hi Patrick,
>
> If the "twinging" in the knees is not sharp pain (dull pain, aching is
> okay) then I would consider it not great for your knees. However, that
> is not from seated high torque pedaling per se. I'd bet the seated
> high torque pedaling is revealing a weakness/dysfunction elsewhere in
> the kinetic chain--weakness or excessive tightness (or a combination
> of the two) at the hips for instance--which yields poor biomechanics
> at the knee joint. Watch for any lateral/medial deviation of the knee
> during the pedal stroke; if present, you've likely got weakness in the
> hips, laterally. If the knee twinging does not begin until 18-36 hours
> after and resolves reasonably quickly/easily then I wouldn't really
> worry much about it... that's more indicative of soft-tissue stress.
>
> Hope it helps!
>
> lyle "DPT may be a doctorate, but functionally it's Damned Poor
> Typist" bogart
> tacoma, wa
>
>
>
> On Jan 5, 9:39 pm, PATRICK MOORE <[email protected]> wrote:
> > On Tue, Jan 5, 2010 at 8:13 PM, LyleBogart{AT}gmail.com <
> >
> > [email protected]> wrote:
> > > Hi All!
> >
> > > Regarding [the] understanding that the effect of heavy resistance
> >
> > creating excessive contact pressure between the articular surfaces of
> > the knee cap and the trochlear groove in which the knee cap glides,
> > there is, again, no evidence to support this as being damaging to the
> > knees. The exception to this is if one spends a substantial amount of
> > time kneeling on a hard surface (tile setters, for instance experience
> > this commonly). Prolonged heavy direct pressure can cause deformation
> > of the articular cartilage of the knee cap which may lead to
> > biomechanical pathology or simply pain. In exercises--even very heavy
> > squatting--there is little risk of damage to the cartilage of the knee
> > cap, presuming the rest of the kinetic chain is strong enough to
> > withstand the heavy exercise. In fact, compressive loading of
> > cartilage is actually essential to the health of the articular
> > surface. So…
> >
> > Patrick Moore, unless you've already a knee problem, there's little
> > danger in unseated climbing on the fixed gear (and I'm happy that this
> > is so as I spend a great deal of time in that climbing mode, myself!)…
> > enjoy :)
> >
> > I hope this helps!
> >
> > Lyle: I take it "DPT" does not stand for "don't know from physical
> therapy"
> > and that you have some expertise in the matter, and I thank you for this
> > information. One more question: is *seated* high torque pedalling, the
> kind
> > that leaves my knees twinging slightly the day or so afterward, bad for
> the
> > knees?
> >
> > Thanks again, very much,
> >
> > Patrick "spinning small gears makes me tired" Moore
>
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--
Patrick Moore
Albuquerque, NM
For professional resumes, contact
Patrick Moore, ACRW at [email protected]
(505) 227-0523
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