According to the online version of the British Medical Journal (2010; 341:c3428), overweight and obese women have a greater likelihood of delivering preterm babies. Examining data from 84 studies that included more than 1 million women, researchers found that overweight and obese women had a 30% higher risk of delivery before 32 weeks gestation, and a higher risk of induced preterm birth before 37 weeks.
Endurance events such as marathons and triathlons are gaining popularity as more people recognize the benefits of physical activity. However, physicians at Loyola University Health System have issued a warning for inexperienced female endurance athletes. The physicians are concerned that many women athletes are ill-prepared for these events, which they say can lead to serious health risks like menstrual irregularity, fertility issues, stress fractures and osteoporosis.newsletter_teaser: Endurance events such as marathons and triathlons are gaining popularity as more people recognize the benefits of physical activity. However, physicians at Loyola University Health System have issued a warning for inexperienced female endurance athletes.
Engaging in physical activity can improve young girls’ self-esteem, physical health and social skills. A recent study suggests that regular physical activity in youth may also safeguard against dementia in later years.
Guided imagery was the most effective technique for helping pregnant women relax, when compared with progressive muscle relaxation and passive relaxation, according to a small study published in Psychoneuroendocrinology (2010;doi:10.1016/j.psyneuen.2010.03.008). Prenatal maternal stress can adversely affect an otherwise healthy pregnancy and exacerbate other pregnancy-related conditions like preeclampsia and hypertension.
In 2008, David Rowlands, PhD, senior lecturer with the Institute of Food, Nutrition, and Human Health at Massey University in New Zealand, published a study showing that male cyclists who ingested protein and carbohydrates between intense training bouts gained distinct performance and postexercise recovery advantages over men who fueled only with carbohydrates (Applied Physiology, Nutrition, and Metabolism, 33 , 39–51).
The American Congress of Obstetricians and Gynecologists advises pregnant women to exercise at least 30 minutes most days of the week. The organization states that regular exercise may provide relief from some of the symptoms of pregnancy and help women cope with the pains of labor. A recent study published in the June issue of the Journal of Clinical Endocrinology & Metabolism (2010; 95 , 2080–88) has found that physical activity during pregnancy can lead to a modest reduction in offspring birth weight.
Fitness professionals working with cheerleaders should be aware of some alarming statistics. According to the 26th annual Catastrophic Sports Injury Research report from the University of North Carolina, Chapel Hill (www.unc.edu/depts/nccsi), cheerleading is the cause of more catastrophic and fatal injuries than any other female sport. The report stated that—between 1982 and 2008—112 high-school girls experienced catastrophic sports injuries. Of those, 73 were related to cheerleading.