21 Day Fat Blast Group Personal Training for One or Two at 21 Day Fat Blast (Up to 55% Off)

21 Day Fat Blast

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In a Nutshell

Experienced trainers lead group training sessions that melt away calories; workouts are designed for participants of any fitness level

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Not valid for clients active within the past 12 month(s). Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Valid only for option purchased. Appointment required. Merchant's standard cancellation policy applies (any fees not exceed the Groupon price). Must sign waiver. Valid only for the listed location. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Choose Between Two Options

  • $49 for 21 Day Fat Blast group personal training for one ($99 value)
  • $89 for 21 Day Fat Blast group personal training for two ($198 value)
  • Click here to view schedule

Building Muscle: Cells on the Move

Read on to learn exactly how fitness classes leave you with more muscle or better tone.

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.

Customer Reviews

Great staff, great atmosphere! I'm going to do another 21 days.
Gyrmeshia M. · May 24, 2016
Merchant Location Map
  1. 1

    21 Day Fat Blast

    255 Riverchase Parkway East, Suite L

    Hoover, AL 35244

    +12055631638

    Get Directions

Get your body bikini-ready
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