Plank - 30 Day Challenge
INTERSECT KK
Health & Fitness
It is an application that supports Plank for 30 days.The main function is to count Plank seconds once a day. Main function ・Plank's countdown. ・Achievement days management. ・Plank count up mode. (after achieving 30 days Plank) Active Energy ・Ex. METs 2.8, Weight 50 kg, Time 10 min.