How To Protect Your Joints and Bones in Winter When cold weather sets in, it is common to feel extra stiffness in joints, tight muscles, and bone discomfort. Low temperatures reduce blood flow, affects synovial fluid in joints, and makes muscles contract, which causes discomfort and less flexibility. This is https://healpedia.weebly.com/blog/how-to-choose-the-right-orthopedic-surgeon-for-shoulder-replacement