10-Class Pass or 1-Month Gym Membership Package at Crunch (Up to 88% Off)

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Value Discount You Save
$100 88% $88
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In a Nutshell

Gym membership includes access to workout equipment, online nutrition, tanning sessions, group fitness classes, and guest privileges

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Registration required. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. May redeem across visits. Valid only for option purchased. All goods or services must be used by the same person. For 10-class option, use remaining classes within the next 60 days after initial class. Valid photo ID is required. Must be 18 years old; those under 18 years old must be accompanied by a parent or guardian. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Choose Between Two Options

  • $12 for 10-class pass ($100 value)
  • $19 for1-month peak gym membership and one personal training session ($103.95 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.

Customer Reviews

Very friendly and inviting
Dila F. · May 3, 2017
So many amazing classes offered. Highly recommend!
Amy L. · February 12, 2017
Merchant replied
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Thank you Amy!
Merchant replied · February 13, 2017
Crunch in Norwalk is the right blend of service and workout challenge!
Kathy-Ann H. · October 9, 2016
Merchant replied
View Comment +
Thank you Kathy-Ann
Merchant replied · February 13, 2017

By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.