Check your vertebra(spine) scoliosis
if you have low back pain, back pain, shoulder pain, Neck pain, headache, you can use this App
**Full version
search function, see total angle(Recents tab), save photo and more detail.. etc...
1. At the Check tab, take a photo. you can use bubble level, above.
2. Follow the instructions and place the pointer
3. press Done button and confirm the result.