BPK 143 Midterm Latest Update with Verified Solutions

BPK 143 Midterm Latest Update with Verified Solutions what is genotype? describes the genetic constitution of an individual what is phenotype? of an individual organism describes one of its measurable traits or characteristics ex. blue eyes or aggressive behaviour how are phenotypes controlled? - by individual's genes -environmental factors (ex. language) relationship between genotype and phenotype? genotype + environment = phenotype is fitness level a phenotype or a genotype? phenotype that is influenced by both an individuals genetics and his or her environment. epigenetics? is the study of heritable changes in phenotype (gene expression) caused by mechanisms other than changes in underlying DNA sequence has there been epigenetic adaptation to sedentary lifestyles? evidence says not what two factors have a profound impact on your response to an exercise program or normal physiological function? stress diet physical fitness? ability to carry out daily tasks with visor and altertness, without undue fatigue, and with ample energy to enjoy leisure time pursuits and to meet unforeseen emergencies what are the five components of fitness? - cardiorespiratory (aerobic) endurance - muscular strength - muscular endurance -flexibility - body composition considered health-realted components what are some sport specific components? skill speed agility balance power what are the most common causes of back injuries (5)? - poorly conditioned muscles - muscles imbalances in the trunk - inflexibility in muscles crossing the shoulders and hips - poor lifting technique - poor motor control of the spinal musculature do people with back problems have more problems with extensor strength or flexor strength weaker extensor strength what is the best type of exercise for seniors to do in order to prevent falls? tai-chi (balance and strength training) cardiovascular/