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Update

September 15, 2002

Subject: Well, it finally happened!

Well, it finally happened. After 3 years 8 months and 19,293 individual sessions, we had one of our students develop an acute muscle spasm secondary to a facet dysfunction in the L-5 lumbar vertebra while on the leg press.

It appears there was a slight amount of pelvic girdle motion while under load. It could have been caused by a slight change in foot position or even adjusting the low back in a more comfortable position.

As Superslow® trainers we’re taught to watch for this, but sometimes there is movement when we least expect it.

So, here's what to watch for:

If you're on the leg press, don’t move your pelvis while under load.
And if you're training someone, make sure your students to not move once they start pushing the leg press.

I’m peased to say the incident was not serious, and the student was doing modified exercise after one week. And ten days after the incident, he was doing full exercise — including the low back machine!