It’s early morning, and you arrive at the gym to discover a voice message from your 8:00 am client, Mary. She has called to let you know she will be unable to make her appointment because she has strained her back and is laid up in bed—for the third time this month. A consummate professional, you call to follow up with her. Mary explains that she “did something” to her back as she was rushing to get the kids off to the school bus. You wish her well, hang up the phone and contemplate her injury.
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The new report from the American College of Sports Medicine (ACSM) regarding progression models in resistance training for healthy adults adds to the previous 2002 position stand, which established a structure for guiding healthy adults to develop muscular fitness (i.e., muscular strength, hypertrophy, power and muscular endurance). This latest review defines and
According to the Agency for Healthcare Research and Quality Medical Expenditure Panel Survey, back problems accounted for 139 million doctor visits in the United States in 2005 and cost $17.6 billion. With such a prevalence of back pain, it’s more than likely that fitness professionals will come across those suffering from the condition. But research suggests personal trainers may be able to help clients
relieve pain with strength training.
Can eating more protein after a training session help enhance the anabolic effect of resistance exercise? The answer is a qualified “yes,” according to the results
of a small study published in the January issue of The American Journal of Clinical Nutrition.
The researchers observed the effect
of dietary protein intake after six young, healthy men completed an “intense bout” of resistance training that involved the leg muscles. After exercising, the participants ingested different amounts of whole-egg protein (5–40 g).
Ormsbee, M.J., et al. 2007. Fat metabolism and acute resistance exercise in trained men. Journal of Applied Physiology, 102, 1767–72.
Am I burning fat while doing resistance exercise? This is a question that clients regularly ask personal trainers and group fitness instructors. Resistance training, because of its chief role in maintaining and/or increasing lean body mass (muscle), is an essential component of any weight management program.
As the popularity of Nintendo’s exergaming console Wii continues to rise, tales of Wii-
related chronic and acute injuries follow suit. While no hard research has been produced, an Internet search details incidences of black eyes from wayward controllers, elbow tendonitis and even knee dislocations. Help your clients avoid injury with safety tips from tech-savvy IDEA
author and presenter Biray Alsac, MS.
Time constraints and financial burdens have led consumers to search for cost-
effective and efficient methods for achieving health and fitness goals. One modality creating interest is high-intensity intermittent exercise (HIIE) training, which calls for short bursts of intense output followed by short periods of rest or active rest. But are these types of programs effective or simply a trend?
Do slight changes in body position affect muscle activation during strength exercises? The only way to truly know which muscles are used during an exercise is to measure their electrical activity with an electromyogram (EMG), the skeletal muscle equivalent of an electrocardiogram for your heart. Well, guess what? Scientists have done just that. Let’s take a look at how different body positions affect muscle activity during some common weight training exercises.
Teenagers who participate in weight-bearing activities may have stronger bones later in life, suggests a new study in the January 2009 issue of the British Journal of Sports Medicine. Japanese researchers examined the bone structure of 46 postmenopausal women, who were grouped according to their sport participation levels during the physically formative adolescent years (12-18 years).
At the Institute of Human Performance in Boca Raton, Florida, we believe there are many great approaches to strength development and performance enhancement. There is no need to pick sides; all methods of training are effective to some degree. Traditionally, strength and function have been treated as mutually exclusive: stability and core weakness have usually been treated in the rehabilitative or corrective movement setting, while hypertrophy and strength have been trained in the gym.