physical activity and fitness for persons with disabilities
By Janet A. Seaman, PhD
A Paradigm Shift Historically, the approach to physical activity for people with disabilities has been couched in medical rationale and focused on rehabilitation. Whereas physical education (physical training) has been a part of school curriculum for nearly 100 years, the original orientation was to supplement ...
Heidi M. Weingart, MA, and Len Kravitz, PhD
Resistance Training and Bone Mass
esearch has begun to emphasize the potential benefits of adding resistance training to an exercise regimen, especially for elderly persons. Among the benefits for seniors are improved strength, bone mineral density and daily living performance, which can raise independence for this population while low...
By Derek Marks, MS, and Len Kravitz, PhD
Hormones and Resistance Exercise
ormones play a large role in the muscle hypertrophy and strength gained from resistance exercise. While hypertrophy and strength gained in men are attributed to increased levels of testosterone, it is still unclear how women are able to respond similarly to resistance training in the absence of increas...
By Karen Asp, MA
Get Tough With Tubing
ith so much new equipment emerging all the time, it's easy to forget about those tried-and-true elastic tubes and bands. But guess what? They are making a strong comeback in group fitness classes. And for a good reason: Used well, they really work! If you review a few principles and get a creative jumpstart, you can rediscover elastic resistanc...
By Todd Astorino, MS, and Len Kravitz, PhD
Glycogen and Resistance Training
he role of glycogen (stored carbohydrate in muscle) in aerobic exercise has been associated with increased work output and duration (Haff et al. 1999). Carbohydrate is the body's preferred substrate during endurance exercise, due to its efficient energy yield per liter of oxygen consumed. Previous re...
Knowing how to identify physical components important for sports performance--and understanding when and how to train those components--can make a trainer's services indispensable to athletic clients.
By John A. Blievernicht, MA
ore and more athletes are using personal fitness trainers to improve their proficiency in a variety of sports. Trainers with the ability to perform sports moves analy-...
Do plyometric exercises work for every client? Different trainers share their opinions.
Enhancing Sports and Everyday Lifenewsletter_teaser: “Jumping, bounding, hopping—plyometric movements like these are great to have in the toolbox, but like any powerful tool they must be used appropriately and with discretion,” says Janice Enloe.
There’s a long-standing debate about whether order matters when combining cardiovascular exercise and strength training in a single session. Is it best, for example, to hit the treadmill before or after heading to the weight room? Researchers from the University of Jyväskylä, in Finland, believe they have the answer.
Not everyone likes to focus on eccentric contractions, but this style of training deserves more attention because it may be a "secret weapon" for creating healthier joints and a long, lean body. Research reveals the perks for newcomers and well-trained athletes. newsletter_teaser: Not everyone likes to focus on eccentric contractions, but this style of training deserves more attention because it may be a "secret weapon" for creating healthier joints and a long, lean body. Research reveals the perks for newcomers and well-trained athletes.