Men age 17-25 should complete 60 crunches in a 2 minute period and Men 25-35 should complete 54 crunches in 2 minutes. Women in the 17-21 age range, should complete 54 crunches in 2 minutes with Women 25-35 achieving 49.
Over 35s Men over 35 should complete 48 crunches in a 2 minute period and Women over 35 should complete 43 crunches in 2 minutes.
Over 60s Men over 60, should complete 42 crunches in 2 minutes with Women over 60 executing 38.
Safety It goes without saying, consult your doctor before starting crunches, especially as you get older, if you have health concerns or have not had a recent check up.
Calories Burned based on Time and Weight.
Calories Burned in 15 minutes
Calories Burned in 40 minutes
Calories Burned in 45 minutes
Calories Burned in 1 hour 15 mins
Calories Burned in 1 hour 30 mins
Calories Burned in 2 hours