Fitness Passport for One or Two with Personal Fitness Concierge from Peerfit (Up to 73% Off)

Multiple Locations

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Choose Between Two Options

Each passport allows the holder to try out two fitness classes at each of three gyms.

Calories: The Original Renewable Energy

The key to any workout regimen is burning calories. Discover how that happens with Groupon's exploration of the body's inner furnace.

In all of weight loss, there may be no concept less aptly named than the calorie. That's because a calorie is a unit of scientific measure—specifically, a measure of the energy needed to raise the temperature of 1 gram of water by 1 degree Celsius. Though the calorie unit we associate with food actually refers to kilo calories—meaning when we say, “2,000 calories a day,” we actually mean 2,000,000. And if the number of calories we ingest is bad news, the upside is that we are burning them all the time.

A certain amount of calories—about 60–75 percent of the calories you burn each day—are needed to sustain the body's unconscious functions, such as breathing and circulation. Known as basal metabolic rate, the specific percentage depends on factors such as size and body composition, gender, and age (typically, as people get older, fat makes up a larger portion of body weight, causing calories to burn more slowly). Digestion makes up about another 10 percent of the calories burned, leaving physical activity to account for the rest.

During exercise, the muscles contract, causing the body's adenosine triphosphate (ATP) molecules to break down as the heart continues to pump faster and faster—increasing the body’s demand for more energy. Once the muscles have depleted the day’s caloric intake, they turn to other calorie sources to fuel the fire—making weight loss possible as the body begins to sacrifice fat cells to the god of the treadmill.

PeerFit

In 2011, four University of Florida graduates came upon a revolutionary idea for physical fitness: a mobile app. As such, PeerFit integrates Twitter, Facebook, and most other cybernetic interfaces to give its clients the ability to send themselves workout reminders via text, schedule gym sessions, and search for exercise classes by location. The social aspect of the program also lets fitness enthusiasts peruse class and instructor reviews—and write their own. This digital network keeps clients abreast of the goings on at their local gym, and can make them one of the first to know when a new gym starts offering their favorite class.

  1. 1

    Big Yoga

    3115 Allen Pkwy

    Houston, Texas 77705

    Get Directions
  2. 2

    ROW studio

    5570 Weslayan St,

    Houston, Texas 77705

    Get Directions
  3. 3

    GymBowie

    2222 Morgan St

    Houston, Texas 77705

    Get Directions

In a Nutshell

Fitness passports allow students to try two classes each at ROW Studio, Gym Bowie, and Big Yoga

The Fine Print

Expires Apr 1st, 2014. Limit 1 per person. Valid only for option purchased. Limit 1 per visit. Reservation required. Must sign waiver. 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