KNES 348 Chapter Notes - Chapter 18: Stress Fracture, Splanchnic, Vasoconstriction
Document Summary
Number of individuals over age 50 engaged in sport and exercise increased compared to 30 years ago. More fit compared to older sedentary counterparts. Exercising into old age an unusual pattern. Performance declines with age: psychological motivation is not clearly defined but does not differ substantially from younger people. Since physical activity tends to decline substantially as we age, distinguishing between the effects of aging (primary aging) and those of reduced physical activity on physiological function is difficult, especially in cross-sectional study designs. Height, weight, and body composition 5/9/2015 6:31:00 am. Due to compression of the intervertebral disks and poor posture. Osteoporosis: severe loss of bone mass with deterioration of the microarchitecture of bone. Differs from osteopenia: the reduction in bmd below normal levels: occurs before osteoporosis. Contributing factors include: poor diet and exercise habits throughout life, and decreased estrogen after menopause. Leads to increased risk of bone fracture.
