When they don’t get enough sleep, women feel less full and men have a bigger appetite, according to a recent issue of the journal SLEEP. Twenty-seven normal-weight men and women (aged 30–45) were studied under short-sleep (4 hours) and habitual-sleep (9 hours) conditions. After a short night’s sleep, fasting blood samples indicated that fasting and morning ghrelin levels rose in men, while afternoon GLP-1 (glucagon-like peptide) levels fell in women. Sleep duration had no effect on insulin, glucose and leptin profiles.
If you want to improve your energy metabolism and reduce body fat levels by up to 4%, try a daily dose of probiotic yogurt. According to the Journal of Functional Foods, 28 healthy, overweight people who ate yogurt that contained the probiotic strain Lactobacillus amylovorus or the strain Lactobacillus fermentum for 6 weeks experienced an increase in energy metabolism and a decrease in weight.
High-intensity interval training is one of the hottest types of training these days. Several studies have examined its long-term effects. Recently, researchers wanted to learn about the impact of a single short bout of HIIT.
Anthony Carey, MA, CSCS, ACE-AHFP, owns Function First in San Diego, voted one of the city’s Best Personal Trainer/Studios in 2010 and 2011 and its Best Health & Fitness Club in 2012. Aside from being named 2009 PFP [Personal Fitness Professional] Trainer of the Year, he has written two best-selling books, The Pain-Free Program: A Proven Method to Relieve Back, Neck, Shoulder, and Joint Pain (Wiley 2005) and Relationships and Referrals: A Personal Trainer’s Guide to Doing Business with the Medical Community (CreateSpace 2012).
Hoping to improve their health, many people opt for vigorous styles of exercise. New research, however, suggests that minimal-intensity, longer-duration physical activity may be best for insulin action and plasma lipids.
The study, published in PLoS ONE (2013; 8 ; doi: 10.1371/journal.pone.0055542), included 18 apparently healthy subjects around 21 years of age. Each participant was randomly selected to follow one of three protocols.
Mindful movement specialist Lawrence Biscontini, MA, has won awards from ACE, IDEA, Inner IDEA®, Can-Fit-Pro and ECA World Fitness. He has created programming for international clubs and spas, including Equinox®, 24 Hour Fitness®, Gold’s Gym® International, Bally Total Fitness™, and Golden Door® Spas, where his work received a Condé Nast Traveler Award. He has been a consultant and trainer for leading spas in Europe, Asia and the United States and has served as a contributing author to IDEA Fitness Journal, AFAA’s American Fitness and AsiaSpa.
Weight loss contests are not reserved for the bright lights of reality television. When properly executed, these contests help fitness pros slim down community residents while beefing up the bottom line. In five steps, you can promote, run and celebrate a community-wide Thinner Winner contest. You can tweak details, but results will be the same: Your current clients will stay happy and engaged, you’ll attract new clients, you’ll generate buzz in your community, and you’ll amass a wealth of transformational stories to fuel your business.
Relaxation training, as part of an overall weight loss program, may be an important factor in helping people lose weight and keep it off, suggests a study in Complementary Therapies in Medicine (2013; doi: 10.1016/j.ctim.2013.05.005).
Researchers from the Benson-Henry Institute for Mind-Body Medicine, in Boston, conducted a pilot study to evaluate the effectiveness of a comprehensive mind-body approach to weight loss. Twenty overweight and obese participants from an employee-based program took part in the 20-week intervention.
Is losing a significant amount of muscle mass part and parcel of losing weight through exercise and diet? A new report appearing in the September issue of The FASEB [Federation of American Societies for Experimental Biology] Journal (2013; , 3837-47) challenges this belief.