Boys Average: 5-8 curl-ups
Girls Average: 5-8 curl-ups
Healthy Zone: 2-10 curl-ups (both genders)
Focus on proper form over quantityBoys Average: 8-12 curl-ups
Girls Average: 8-12 curl-ups
Healthy Zone: 4-14 curl-ups (both genders)
Building core strength foundationBoys Average: 12-16 curl-ups
Girls Average: 11-15 curl-ups
Healthy Zone: 6-20 curl-ups (both genders)
Developing muscular endurance