Backpacks can be good for your back if they are well-designed and used properly. A well-designed backpack should have a comfortable, adjustable shoulder strap and back panel that distributes weight evenly, reducing the strain on your back and shoulders. When choosing a backpack, look for one with adjustable straps, padded shoulder straps and back panels, and a waist belt to help distribute the weight evenly.
However, it's important to use a backpack correctly to avoid causing harm to your back. Overloading a backpack or carrying it on one shoulder can cause strain and pain. It's recommended to pack the backpack evenly, with heavier items closer to the center of your back, and to adjust the straps so that the backpack fits snugly against your back.
In summary, backpacks can be good for your back as long as they are designed well and used correctly. By choosing a well-designed backpack (like ours!) and using it correctly, you can help prevent back pain and enjoy the convenience and comfort of carrying your belongings on your back.