30-Day Plank Challenge

Progress 0%
Tasks (0/4)
WEEK 1
Day 1: 20sec
Day 2: 20sec
Day 3: 30sec
Day 4: 30sec
To-do
in progress
>1y overdue
Mar 5 - Apr 3, 2020 • 30 days
Description
Description

The challenge is to maintain the same posture for a certain time period - 20 seconds on the first day, up to 5 minutes on day 30.