Why do my collarbones physically ache when I wear a heavy winter coat?
1. Introduction An aching sensation in the collarbones when wearing a heavy winter coat is generally caused by mechanical downward pressure on the acromioclavicular joint and the underlying neurovascular structures. The added weight depresses the shoulder girdle, placing sustained tension on the trapezius muscles and potentially compressing the brachial plexus, leading to deep, dull pain. … Read more