NUTR 2050 Lecture Notes - Lecture 17: Lean Body Mass, Motor Coordination, Underweight
15 Nov 2016
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Definitions of this life cycle stage: middle childhood between the ages of 5 to 10 years of age, preadolescence ages 9 to 11 for girls; ages 10 to 12 for boys, both may (cid:271)e ter(cid:373)ed (cid:862)s(cid:272)hool aged (cid:863) Establishing healthy eating behaviours: key for preparation for the physical and emotional demands of the adolescent growth spurt, adequate nutrition associated with improved growth and performance. Interventions help prevent immediate & long-term health problems. Increases in muscular strength, motor coordination, & increased stamina overall: boys generally have more lean tissue than girls, adiposity rebound occurs at about age 6 years. Tends to be earlier and greater in females: mainly because boys tend to have more lean body mass at this stage. Energy needs vary by activity level & body size. Equations available to estimate intake based on gender, age, height, weight and activity level. The protein dri is 0. 95 g/kg body weight for 4 to 13-year old girls and boys.
