About Plank - 4 minutes
Plank Challenge.
5 week program.
After 5 weeks you can make the plank for 4 minutes.
An intensive strength training program that strengthens your core body.
Challenge your friends on Facebook or Twitter.
Download and install
Plank - 4 minutes version 1.01 on your
Android device!
Downloaded 10+ times, content rating: Everyone
Android package:
appinventor.ai_BKalvslund.Planken, download Plank - 4 minutes.apk