Muscle stiffness is really the bigger challenge in all this now that the bone has healed. I required physical therapy to combat it, actually (though I did have surgery to repair my collarbone). As my surgeon said, when you broke your bone, not only did you ... break the bone, but your soft tissue got ripped up, too. So you will have muscle stiffness for a while -- I still get it 10 months later -- and the best way to combat it is exercise it. My PT involved motion exercises and strengthening. Like take a 2-pound weight, and with your thumb pointing up, lift your arm slowly upward in front of you and down slowly, 10 and later 15 times, two sets. Do the same lifting your arm to the side (only to shoulder height). I did a thing where you lie on a big exercise ball forward, and with both arms lift 2-point weights, 10-15 times. Then exercises involving rubber exercise bands -- across your body from lower left to upper right, over your shoulder from back to front like a throwing motion, and so on. Take a ball, like a softball, and bounce it high off the wall as you move your arm back and forth, from like a 10 o'clock position to a 2 o'clock, 10 times, two sets. All kinds of things like this. I did this a couple times a week, plus some of these exercises at home. They're tiring, but the shoulder actually feels better afterward. Important thing: Warm up first in some way. My PT had me do it with an arm cycle -- you push on pedals with your arms. But it's hard to find something like at home. Before I could do much strengthening, the warm-up was a heating pad. A simple, low-stress way to both warm up and simply stretch is a pulley like this:Â
http://www.discountmedicalsupplies.com/store/over-the-door-shoulder-pulley.html?gclid=CKL5ocnDsr8CFQoKaQod214AOA