So shoulder bags are the worst for your posture, followed by a cross body bag. "Anything with uneven weight distribution will essentially lead to more muscle imbalances as your body compensates for the weight distribution," says Dr. Leary. That's why backpacks or a rolling bag are best.

Crossbody bags can be problematic for your neck and shoulders if they are too heavy or worn incorrectly for long periods. Because the strap rests on one side of the neck, it can compress the trapezius muscle and the delicate nerves in the shoulder, leading to tension headaches and neck stiffness. This uneven weight distribution causes the body to subtly "tilt" or "hike" one shoulder to keep the bag in place, which can throw off your spinal alignment over time. To minimize the risk, experts recommend choosing a bag with a wide, padded strap to better distribute the pressure and keeping the total weight of the bag below 10% of your body weight. You should also switch sides regularly (every 20–30 minutes) to avoid overworking one side of your body. If you are a heavy packer, a small backpack is a much more ergonomic choice as it distributes the load symmetrically across both shoulders and the stronger muscles of the back.

Crossbody bags can potentially cause neck and shoulder discomfort, but whether they are “bad” for your neck depends on how you use them. Here are some factors to consider:

1. Weight of the Bag

• Heavy bags can strain your neck, shoulders, and upper back, especially if carried for long periods.
• The uneven distribution of weight can lead to muscle tension or pain.

2. Strap Length and Positioning

• If the strap is too short, it can pull your shoulder and neck into an unnatural position.
• If the strap is too long, the bag may swing around, causing instability and additional strain.

3. Posture

• Carrying a crossbody bag on one side can cause you to lean or tilt your body to compensate, leading to poor posture and potential neck pain.

4. Duration of Use

• Prolonged use of a crossbody bag, especially if it’s heavy, increases the risk of discomfort or injury.

Tips to Minimize Strain:

• Choose a lightweight bag and avoid overloading it.
• Adjust the strap so the bag sits comfortably at your hip or waist, not too high or too low.
• Switch sides regularly to avoid overloading one side of your body.
• Use a bag with a wide, padded strap to distribute weight more evenly.
• Take breaks and remove the bag when possible.

If you experience persistent neck or shoulder pain, consider consulting a healthcare professional or physical therapist for advice.