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Zumba Fitness New Jersey's licensed head instructor Melissa Marcketta and her enthusiastic staff lead over thirty light-hearted, hip-swiveling Latin dance workouts per week across five locations. During one-hour Zumba with Zumba Toning classes, students become acquainted with pulse-pounding dance moves and strength training exercises that create physiques as tight and toned as a bass drum crafted from recycled Tarzan posters. The calorie-crushing combination of aerobic gyrations and shimmy-infused strength training is accessible for all ability levels. The studio employs multiple instructors to ensure varied workouts, eclectic soundtracks, and a spectrum of opinions surrounding the optimal peanut-butter-to-broccoli ratio for a postworkout sandwich.

1225 South Ave
Plainfield,
NJ
US

Building Muscle: Cells on the Move

Read on to learn exactly how that 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.

1000 North Avenue
Plainfield,
NJ
US

Hiroshi Powell noticed he had a knack for weightlifting, so he swapped the weight machine in his mom's basement for a membership at a pro-level facility. There, Hiroshi began training with national powerlifting champions, learning the secrets of their technique while building friendships and cultivating his own carreers in powerlifting and bodybuilding.

The seriousness with which Hiroshi threw himself at his goals, and immersed himself in the fitness field, informs his approach as founder-owner of Chiseled Health and Fitness. "Chiseled," he says, "is not a social club or [a] cookie cutter commercial gym. Those are great for some folks, but not everyone." In place of the hundred-pound rubber chickens dead lifters find at other gyms, guests at Chiseled find a facility fully stocked with professional weight training and cardio essentials. Accented with red trim, the facility's white walls, black mats, and glossy hardwood floors offer a non-distracting environment in which Hiroshi and his three fellow personal trainers customize clients' workouts. Members also complete self-guided routines, and take CrossFit classes.

1280 North Avenue
Plainfield,
NJ
US