One Month of Martial Arts or Pilates, Yoga, and Fitness Classes at Pro Line Music (48% Off)

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In a Nutshell

Krav maga, kung fu, barre fitness, Zumba, and other classes build strength and endurance while burning calories

The Fine Print

Expires 90 days after purchase. Reservation required. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Martial arts package valid for all ages. Pilates and yoga package must be 18 and older. Pilates and yoga package includes all pilates, yoga, stretch and tone, and barre classes. Must sign a waiver. Membership expires 30 days from first class date. New clients only or clients who have not used services within last 6 months. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

Exercise is an important part of one's daily routine, along with eating breakfast and dropping off the kids at any nearby school. Make it a habit with this Groupon.

Exercise is an important part of one's daily routine, along with eating breakfast and dropping off the kids at any nearby school. Make it a habit with this Groupon.

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Eccentric Muscle Contraction: The Rock-Solid Core of Pilates

Pilates aims to build muscle strength and definition without unnecessary bulk. Stretch your mind around Groupon's study of eccentric muscle contractions to understand one of its major tools.

Anatomists identify three types of muscle contraction: concentric, eccentric, and isometric. Isometric contraction occurs when a muscle resists a force without moving or changing its length. Concentric contraction can be exemplified by a set of rapid crunches: the ab muscles repeatedly shorten during the emphasized upward movement, and often don't revert fully to their relaxed state until the set is complete or the gym teacher looks the other way. Eccentric contraction, on the other hand, is what happens when the muscles resist a force as they lengthen—as they do in the Pilates version of a crunch, the roll down.

To build any muscle, you need to do some controlled damage to its fibers, prompting the body to generate new muscle cells to make repairs. And eccentric muscle contractions are especially good at doing this. Pilates, like almost any form of exercise, involves all three types of contractions, but in characteristic movements such as the roll down the emphasis is on the downward movement. Students carefully control their abs and resist their own body weight as they slowly relax back onto the floor, challenging the muscles in their elongated state.

Eccentric exercises force muscles to work harder than they would in a concentric state—which is why, to a Pilates instructor, 5 slow, perfectly-controlled roll-downs are more productive than a quick set of 50 crunches. This phenomenon explains why beginning Pilates students can experience muscle soreness the day after a deceptively easy workout. Besides trying to prevent addiction to IcyHot, Pilates instructors limit rep quantities because muscles tend to revert into concentric contraction as they tire, which can counteract any gains in flexibility.

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    490 Lincoln Hwy

    Fairless Hills, Pennsylvania 19030

    215-736-8055

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For those who take care of their overall well-being with exercise, yoga, and balanced nutrition