paddling technique instruction - How to paddle on sot fishing kayak 피싱 카약 패들링 방법 / 카약 패들링 잘하는 방법 

Follow your elbow while paddling. It will make it easier for you to rotate your upper body.
Using Core muscle to paddle will increase your endurance and give sufficient power.
If you drag up water while finishing the paddling, it may cause rotator cuff injury.
Slice the water out.