Reduced ability to rotate the forearm, affecting palm-up and palm-down movements.
Medical records and examination findings are central to establishing your rating level. For bone fusion claims, imaging such as X-rays can show that the bones have fused and confirm the fixed position of the hand, whether in supination, hyperpronation, full pronation, or near the middle of the arc. A VA or private examination that documents the exact fixed position of the forearm is key to distinguishing between the higher and lower fusion ratings.
For limitation-of-motion claims, range-of-motion measurements recorded in degrees are what separate one rating level from another. An examiner needs to document how far pronation or supination actually moves and where in the arc motion stops. Records showing whether the hand can or cannot approach full pronation directly affect which level applies.
Statements from you or people who know you describing how the limited rotation affects tasks at work or at home, such as turning a doorknob, using tools, or carrying objects, can help show the real-world impact of the impairment. If tendon, muscle, or nerve injuries also limit finger movement in the same arm, medical records identifying those injuries and their functional effects are relevant to whether a separate rating for finger impairment may apply.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.
