Frequently (25-75% of the time) performed tasks Standing, sitting with and without back support, walking, reaching (overhead, forward, lateral, and low), crouching, balancing, lifting 5-25 pounds, carrying 5-10 pounds, and pushing up to 75 pounds Occasionally (5-25% of the time) performed tasks Stooping, climbing, lifting or moving 24-50 pounds, carrying 10-25 pounds, and operating power tools and machinery Athletes may include any individual, ranging from children through geriatric populations, who participates in sports, games, recreation, exercise or other activity that requires physical strength, agility, flexibility, speed, stamina, or range of motion.