$49 for One Month of Obstacle-Event Strength-and-Conditioning Camp at CrossFit Steel Yard ($179 Value)

West Palm Beach

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In a Nutshell

Come work out with trainers certified by USA Weightlifting, in sports performance and nutrition, and in CrossFit

The Fine Print

Expires 90 days after purchase. Limit 1 per person, may buy 1 additional as a gift. Limit 1 per visit. Valid only for option purchased. Must activate by expiration date on Groupon, membership expires 90 days from activation date. Appointment required. 24-hr cancellation notice required. Must sign waiver. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Exercise is especially important if you have a job that requires you to sit a lot, such as office worker or bull rider. Stay on top of it with this Groupon.

The Deal

  • $49 for one month of obstacle-event strength-and-conditioning camp ($179 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.

CrossFit Steel Yard

A Chat with CrossFit Steel Yard

What services does your business offer and what makes your business stand out from the competition? We offer a training staff who has been CrossFit training for over eight years, including trainers who have made it to the CrossFit Games Regionals. You will not find trainers with just one year of experience in our box.

Exercise is challenging. How do you keep clients motivated and engaged? We have a great staff who offer individual cues, support, and motivation throughout your workout

What was the inspiration to start or run this business? There was a hole in the community that needed experienced trainers to fill it.

What do you love most about your job? Seeing the success of our athletes and watching them grow in confidence and strength.

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    West Palm Beach

    7656 Byron Drive

    West Palm Beach, Florida 33404

    754-800-1498

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