MEASURING FITNESS Encarta Definition: The ability of the human body to function with vigor and alertness, without undue fatigue, and with ample energy to engage in leisure activities, and to meet physical stresses.
MEASURING FITNESS CDC: Set of attributes a person has in regards to a person’s ability to perform physical activities that require aerobic fitness, endurance, strength, or flexibility and is determined by a combination of regular activity and genetically inherited ability.
Waist measurements Fat around waist – more likely to develop health problems than if around hips and thighs. This is true even if BMI is normal. Women with waist more than 35 inches Men with waist more than 40 inches
BODY COMPOSITION Body fat percentage May be a better measure of risk American Council of Exercise Guidelines women men Essential fat 10-12% 2-4% Athletes 14-20% 6-13% Fitness 21-24% 14-17% Acceptable 25-31% 18-25% Obese 32% 26%
Measuring body fat Skin fold: accuracy varies greatly based on user’s abilities BIA: Bioelectrical Impedance Analysis accuracy 8% plus or minus Cadaver analysis: The only direct method, but impractical HW: Hydrostatic Weighing: gold standard, not easy, expensive DXA: Dual energy xray absorpiometry, low dose radiation exposure, trained tech, expensive equipment BODPOD: new, expensive technology
CARTILAGE REGENERATION Chondroitin Analysis of Glucosamine and Chondroitin Sulfate Content in Marketed Products and the Caco-2 Permeability of Chondroitin Sulfate Raw Materials Abimbola O. Adebowale, PhD, Donna S. Cox, MS, Zhongming Liang, MS, Natalie D. Eddington, PhD,* Pharmacokinetics-Biopharmaceutics Laboratory, Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, Maryland