Complete Winter Guide for Joint and Bone Health As winter begins, it is common to feel extra stiffness in joints, muscle tightness, and bone discomfort. Low temperatures reduce blood flow, reduces joint lubrication, and causes muscles to tighten, which causes discomfort and less flexibility. This is why understanding winter joint https://lindawockhardthosp.wixsite.com/healpedia/post/how-to-choose-the-right-orthopedic-surgeon-for-shoulder-replacement