Four or Eight Personal-Training Sessions from World of Lindsey Fitness Trainer Terrell Lindsey (Up to 66% Off)

AmeriFit

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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

  • $64 for four personal-training sessions at AmeriFit with World of Lindsey Fitness personal trainer Terrell Lindsey ($160 value)
  • $110 for eight personal-training sessions at AmeriFit with world of Lindsey Fitness personal trainer Terrell Lindsey ($320 value)

The personal-training sessions from Terrell Lindsey will leave you with more muscle or better tone. Read on to learn exactly how that happens.

Building Muscle: Cells on the Move

Bulky upper-body muscles might have hindered early humans who had to chase their prey across plains, but they 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, 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.

In a Nutshell

Terrell Lindsey helps clients carve rock-hard bodies with personalized fitness regimes

The Fine Print

Expires 90 days after purchase. Limit 1 per person, may buy 2 additional as gifts. Valid only for option purchased. Limit 1 per visit. 24-hr cancellation notice required. Reservation required. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

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