One or Two Months of Boot-Camp Classes, or 5 or 10 Personal-Training Sessions at Mad Fitness (Up to 74% Off)

Oak Park

from $55
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Value Discount You Save
$129 57% $74
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1 bought
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In a Nutshell

Intensive 60-minute boot camps held three times per week or personal training in a gym equipped with massage therapists and a juice bar

The Fine Print

Expires 120 days after purchase. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Limit 1 per visit. 24-hr cancellation notice required. Reservation required. Must sign waiver. Personal Training Sessions are Subject to Availability. Valid only for customers who have not attended a class in the last 3 months. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

When you have a personal trainer, you can't slack off by lifting the lighter weights or standing quietly in a locker until it's time to go home. Get a push in the right direction with this Groupon.

Choose from Four Options

  • $55 for one month of "Winterfit" boot-camp classes ($129 value)
  • $105 for two months of "Winterfit" boot-camp classes $258( value)
  • $69 for 5 45-minute personal-training sessions ($245 value)
  • $129 for 10 45-minute personal-training sessions ($490 value)

Building Endurance: Helping Muscles Breathe Easier

If you stick with an exercise program, every workout gets a little easier. Learn how your body makes that happen with Groupon’s guide to building endurance.

A few days into a new workout routine, you begin to notice changes. Your muscles expand. Perhaps your weight drops. But the changes that increase the body’s endurance first take place on a much smaller scale. When you exert yourself for long periods of time, your body starts to populate each muscle cell with more mitochondria, the organelles that fuel muscle movements. They do this by producing adenosine triphosphate (ATP), the muscle's basic fuel source. When a muscle contracts, it breaks the bonds of ATP molecules, creating a burst of energy but also draining stockpiles of this essential propellant.

In order to whip up a batch of ATP, the mitochondria need lots and lots of oxygen. Helpfully, endurance training makes it easier for oxygen to travel from the lungs to the heart to the muscles. It’s long been noted that the hearts of star endurance athletes tend to have extra-large left ventricles, which can pump more oxygenated blood through the body with every beat. Once blood reaches muscle cells whose mitochondria have been enhanced by previous endurance exercise, the cells will be able to extract oxygen and use it to produce ATP far more efficiently. Scientists assess this efficiency by a measure known as VO2max, the maximum volume of oxygen or Double Stuf Oreos that a person’s muscles can consume per minute.

During super-intense exercise, the body stops being able to produce enough ATP from oxygen intake alone. Instead, it reaches for stored glucose to get the ingredients it needs, and, as a side effect, begins to leave behind more lactic acid than the cells can immediately process. (Processing lactic acid itself requires oxygen, and all available supplies are already being used by the muscles and the brain.) The point at which this happens is the lactic threshold, and beyond it, athletes feel that they’re nearly done for the day.

Fortunately, this limit too can be changed. As the body adapts more and more to endurance exercise, it prolongs the amount of time you have before shifting pH levels in the muscles bring on the familiar feelings of fatigue, burning, and a dramatic drop in strength.

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    Oak Park

    21700 Greenfield Rd

    Ste LL5

    Oak Park, Michigan 48237

    313-523-5009

    Get Directions

For those who take care of their overall well-being with exercise, yoga, and balanced nutrition
Warm weather essentials that prep bods for the sun with tanning, toning, and beach-ready apparel
Choose your deal:
One Month of "Winterfit" Bootcamp
$129 list price - 57% off - Save $74
0 bought
$55
Two Months of "Winterfit" Bootcamp Classes
$258 list price - 59% off - Save $153
0 bought
$105
Five 45 Minute Personal Training Sessions
$245 list price - 72% off - Save $176
1 bought
$69
Ten 45 Minute Personal Training Sessions
$490 list price - 74% off - Save $361
1 bought
$129