Men age 17-25 should complete 60 knee push ups in a 2 minute period and Men 25-35 should complete 54 knee push ups in 2 minutes. Women in the 17-21 age range, should complete 48 knee push ups in 2 minutes with Women 25-35 achieving 43.
Over 35s Men over 35 should complete 48 knee push ups in a 2 minute period and Women over 35 should complete 38 knee push ups in 2 minutes.
Over 60s Men over 60, should complete 42 knee push ups in 2 minutes with Women over 60 executing 34.
Safety It goes without saying, consult your doctor before starting knee push ups, especially as you get older, if you have health concerns or have not had a recent check up.