Progression for introducing an athlete to GHD: {Ans: Start with a AB mat then reintroduce the GHD machine only going to 1/2 extension, until better core strength is developed}Which clients need to be cleared for exercise? {Ans: }4 fitness models of Crossfit: {Ans: the 10 general physical skills, the Hopper, metabolic pathways, sickness-wellness- fitness continuum}Define crossfit: {Ans: A core strengthing program made up of constantly varied high intensity functional movements}Scope of movements used in crossfit programing: {Ans: - mono structural; run, bike, swim,row, jump rope - gymnastics; air squat, pull-up, pushup, sit-up - weightlifting; dead lifts, shoulder press, cleans}High glycemic carbohydrates: {Ans: raise blood sugar too rapidly Ex: rice, bread, candy, potato, sweets, sodas}How is energy derived? {Ans: aerobically when O2 is utilized to metabolize substrates derived from food and liberates energy}Phosphocreatine: {Ans: short, anaerobic, max intensity, located in cytosol of muscle cells Ex: 100 m dash}Benefits of the GHD foundational exercises: {Ans: Hamstring raises on the glute-ham developer (GHD) build powerful hamstrings that might improve sprinting speed and jumping ability. And they provide a great way to focus on the posterior chain without loading the back as in good mornings