Why do my collarbones ache after carrying a heavy canvas tote bag on one shoulder?
1. Introduction Carrying a heavy canvas tote bag on one shoulder causes collarbone ache due to continuous mechanical compression of the acromioclavicular joint and downward traction on the clavicle. This asymmetrical load strains the trapezius muscle and can compress the neurovascular structures of the thoracic outlet, resulting in a deep, localized ache along the bone. … Read more