價格：免費
檔案大小：3.8 MB
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
30 days of plank-training
This app helps you keeping track of your plank exercises for a period of 30 days.
Features
- 30 day workout plan
- Workout timer with exercises for plank, right arm plank and left arm plank
- From 20 to 300 seconds in 30 days.
Free to use, but ad-supported.
支援平台：iPhone, iPad