Eight Boot-Camp Classes or Booty Boot-Camp Classes at SWEAT Fitness (Up to 67% Off)

La Mesa

from $39
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Value Discount You Save
$80 51% $41
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Choose Between Two Options

  • $39 for eight boot-camp classes ($80 value)
  • $49 for eight Booty boot-camp classes ($150 value)

Building Muscle: Cells on the Move

Read on to learn exactly how that 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 minuscule 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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    La Mesa

    5949 Severin Dr.

    La Mesa, California 91942

    909-528-0564

    Get Directions

In a Nutshell

Trainers are invested in improving their clients' fitness by designing challenging boot-camp workouts

The Fine Print

Expires 90 days after purchase. Limit 1 per customer, may buy 1 additional as a gift. Limit 1 per visit. Must be 18 or older. Must sign waiver. Valid only for option purchased. Call ahead for availability. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

For those who take care of their overall well-being with exercise, yoga, and balanced nutrition
Choose your deal:
Eight boot-camp classes
$80 list price - 51% off - Save $41
0 bought
$39
Eight Booty boot-camp classes
$150 list price - 67% off - Save $101
1 bought
$49