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.

Bo Kalvslund is the creator of Plank that can be found in the Health & Fitness category. The tool has been downloaded and installed by over 10 users and the most recent update was released on Apr 1, 2015. This application has the overall rating 4.6 on Google Play.

It's free of charge to download the installation package of Plank, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 1.5 and higher. This download is totally secure.