> For the complete documentation index, see [llms.txt](https://posetracker.gitbook.io/posetracker-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://posetracker.gitbook.io/posetracker-api/use-posetracker-on-real-time-camera-webcam/query-params-details/exercise-optional/balance-on-left-leg.md). # Balance on left leg https\://app.posetracker.com/pose\_tracker/tracking?exercise=balance\_leg\_left\&token=API\_KEY Parameter to set in the URL : ``` exercise=balance_leg_left ``` Placement requirements : * The user need to be facing the camera and to stand on his left leg * Check the video bellow {% embed url="" %}