WEB DESK: Whether you are sitting or casually laying on bed, keep your postures right as they impact greatly on body.
These postures are effective so paying attention on them while exercising is suggested too. In many cases, exercising with wrong posture can cause you long term harm. Whereas, correct ones may give you desired results.
Talking about postures, many people have issues with back as they thought they are not so blessed with a straight back or maybe it got bent slightly due to sitting with wrong posture.
Here is video that will enable you about how to straighten your back within 15 minutes.
Source: Bright Side