Three or Six One-Hour Outdoor Personal Training Sessions at Laguna Personal Fitness (Up to 73% Off)

Lantern Bay Park

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In a Nutshell

Certified personal trainers get their clients in peak physical condition with custom-tailored training regimens in a stunning oceanside park

The Fine Print

Expires 180 days after purchase. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. 3-session option expires 30-days from activation; 6-session option expires 60-days from activation. Registration required. 24hr cancellation notice required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Must be 18 or older. Must sign waiver. Services must be used by the same person. Dress appropriately for outdoor training. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Choose Between Two Options

  • $59 for three one-hour outdoor personal training sessions ($180 value)
  • $99 for six one-hour outdoor personal training sessions ($360 value)

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.

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    Lantern Bay Park

    25111 Park Lantern Rd.

    Dana Point, California 92629

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