WITS Personal Fitness Trainer Certification Key Terms QUESTIONS AND ANSWERS 2023 VERIFIED AND ALREADY PASSED

Frequency - CORRECT ANS # of days per week physical activity is done Intensity - CORRECT ANS rate of work, degree of effort Duration - CORRECT ANS length of time for a fitness workout or physical activity Volume of Activity - CORRECT ANS total amount of energy expended or work accomplished in an aerobic activity = frequency, intensity, time Sport Performance - CORRECT ANS Agility, Balance, Coordination, Speed, Power Cholesterol - CORRECT ANS a fatty substance in which carbon, hydrogen, and oxygen atoms are arranged in rings - (contributing factor to atherosclerosis) Diaphysis - CORRECT ANS the shaft of a long bone Epiphysis - CORRECT ANS the ends of a long bone Periosteum - CORRECT ANS the connective tissue surrounding all bone surfaces except articulating surfaces Ossification - CORRECT ANS the replacement of cartilage by bone Sagittal Plane - CORRECT ANS divides the body into right and left segments Frontal Plane - CORRECT ANS divides the body into anterior and posterior segments Transverse Plane - CORRECT ANS divides the bod into upper and lower segments Anteroposterior Axis - CORRECT ANS - perpendicular to the frontal plane - abduction/adduction Longitudinal Axis - CORRECT ANS - perpendicular to the transverse plane - internal/external rotation Mediolateral Axis - CORRECT ANS - perpendicular to the sagittal plane - flexion/extension Ligaments - CORRECT ANS the connective tissue that attaches bone to bone Tendons - CORRECT ANS a band of tough, inelastic, fibrous connective tissue that attaches muscle to bone Synarthrodial Joint - CORRECT ANS immovable joint (example: skull) Amphiarthrodial Joint - CORRECT ANS joint allows slight movement in all directions (example: vertebral, tibiofibular) Diarthrodial Joint - CORRECT ANS freely moving joint, great range Flexion - CORRECT ANS anterior and posterior movement that brings two bones together Extension - CORRECT ANS increasing the angle at a joint (straightening the elbow) Abduction - CORRECT ANS movement of a bone away from the body Adduction - CORRECT ANS movement of a bone toward the body Motor Unit - CORRECT ANS consists of a single motor neuron, its branches, and all the muscle fibers that it innervates Agonist - CORRECT ANS prime mover Antagonist - CORRECT ANS opposite of the prime mover