Today is Day 6 of 21 for the SGPT plank challenge.
Do plank on hands for 70 seconds. Tomorrow we will add 10 seconds.
If you cannot do the amount of time listed – then go as long as you can and mark down your time (example 12 seconds).
Elite athletes can add a weight vest.
Post up your time for plank in the comments below.
We will be giving away a SOG Salute Folding Knife FF11-CP at the end of the 21 days for the athlete who post every day and also has the most improvement on the last day test.
Any questions? Post up below