![David Bowie Fitness on Twitter: "30-day, 3 minute Plank Challenge: https://t.co/OODJQAjEnj https://t.co/IZfm2IR8we" / Twitter David Bowie Fitness on Twitter: "30-day, 3 minute Plank Challenge: https://t.co/OODJQAjEnj https://t.co/IZfm2IR8we" / Twitter](https://pbs.twimg.com/media/C9Wnx9DUAAIdaH7.jpg)
David Bowie Fitness on Twitter: "30-day, 3 minute Plank Challenge: https://t.co/OODJQAjEnj https://t.co/IZfm2IR8we" / Twitter
![Julie on Twitter: "Plank with PERFORM! Take the 30 Day 5 min Plank Challenge and build up to a 5 minute plank! Who's in?! Show us your progress #ProfilePerform https://t.co/unqzOjRVxR" / Twitter Julie on Twitter: "Plank with PERFORM! Take the 30 Day 5 min Plank Challenge and build up to a 5 minute plank! Who's in?! Show us your progress #ProfilePerform https://t.co/unqzOjRVxR" / Twitter](https://pbs.twimg.com/media/DAeKbr9XoAA33JX.jpg)
Julie on Twitter: "Plank with PERFORM! Take the 30 Day 5 min Plank Challenge and build up to a 5 minute plank! Who's in?! Show us your progress #ProfilePerform https://t.co/unqzOjRVxR" / Twitter
MyNavy HR - In just four short months Sailors will need to master the plank for the PRT. Earlier today we shared tips on how to plank, now let's tackle it together
![30 Day Plank Challenge - Healthy Fitness Training Sixpack Core - FITNESS HASHTAG | 30 day plank challenge, 30 day plank, Plank challenge 30 Day Plank Challenge - Healthy Fitness Training Sixpack Core - FITNESS HASHTAG | 30 day plank challenge, 30 day plank, Plank challenge](https://i.pinimg.com/736x/60/af/fb/60affb41a5ebbf05a4ee46af36f2db45---day-plank-challenge-planks.jpg)
30 Day Plank Challenge - Healthy Fitness Training Sixpack Core - FITNESS HASHTAG | 30 day plank challenge, 30 day plank, Plank challenge
![August Plank Challenge - Life in Recovery - Talking Sober - Addiction Recovery Forum & Support Group August Plank Challenge - Life in Recovery - Talking Sober - Addiction Recovery Forum & Support Group](https://talkingsoberfiles.s3.dualstack.us-west-2.amazonaws.com/optimized/3X/9/7/974774ddadf260427e607803191e656b63c389d1_2_496x1024.jpeg)