Carrying heavy bags can cause back pain, especially if you do it frequently.
Lifting heavy bags incorrectly can strain your lower back muscles, causing pain and discomfort.
To prevent this, practice proper lifting techniques for heavy bags.

Osteopathic doctors advise bending your knees, keeping your back straight and distributing your weight evenly when lifting heavy bags.
What needs to be done for this?
Backpack on the shoulders
Wear a backpack instead of a shoulder bag. Make sure the weight is on your back and the backpack straps are wide and not too tight.
If you are carrying a heavy bag that weighs more than 15 percent of your body weight, you should use a backpack with a waist belt.
Several bags
If the bag is too heavy, distribute the products into two shoulder bags.
What Else Can You Do to Avoid Back Pain?
If you carry heavy bags, focus on improving your posture and strengthening the core muscles in your back and abdomen.