Four or Six Personal-Training Sessions at Impact Fitness Studio LLC (Up to 68% Off)

Oak Creek

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In a Nutshell

Certified personal trainer tones muscle with resistance and cardio workouts tailored to each client

The Fine Print

Expires 180 days after purchase. Limit 1 per person, may buy 2 additional as gifts. Limit 1 per visit. Appointment required, subject to availability. 18 years or older. If younger than 18 will need to have signed waiver from parent or guardian. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Personal trainers push people to do more, whether it's doing one more set of bench presses or eating one more box of protein bars. Go the extra mile with this Groupon.

Personal trainers push people to do more, whether it's doing one more set of bench presses or eating one more box of protein bars. Go the extra mile with this Groupon.

Choose Between Two Options

  • $49 for four 30-minute personal-training sessions ($144 value)
  • $69 for six 30-minute personal-training sessions ($216 value)

Building Muscle: Cells on the Move

Bulky upper-body muscles might have hindered early humans who had to chase their prey across the plains, but it could help those who often had to climb trees to adjust their satellite dishes. That’s why the body builds muscle according mostly to use: do enough curls, and the biceps expand. As anyone who has experienced post-workout soreness could intuit, those curls are actually a form of controlled damage, making thousands of miniscule tears to the muscle tissue that beckon autoimmune cells to show up alongside testosterone and other hormones. The white blood cells help switch on satellite cells, which are similar to stem cells. Before they're activated, satellite cells aren't doing much—instead, they lie dormant around muscle fibers until they're called into action to repair torn tissue.

This isn't the only kind of cellular transformation at work in growing muscles. Long muscle cells, which contain several nuclei, can also begin to change type after a workout. Certain kinds of muscle fibers are equipped to handle brief bursts of effort but will quickly become tired if asked to do more intense work. These are the first to disappear as someone starts an exercise routine, as they're converted into fibers with more endurance. This principle is so dramatic that a sports scientist can generally tell whether someone is a professional athlete or a professional mattress model by examining a minute sample of muscle tissue.

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    Oak Creek

    2440 W Corporate Preserve Dr

    Ste 100

    Oak Creek, Wisconsin 53154

    414-333-7124

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