In a nondisplaced radial head fracture, which position BEST tolerates early elbow flexion and extension?

• A. Supine with the upper arm supported on a folded towel along the torso
• B. Seated upright with the affected extremity free to flex and extend alongside the chair
• C. Standing with the affected extremity close to the torso
• D. Prone with the upper arm supported on a folded towel along the torso

Answer: (A)

Early elbow motion is encouraged after a nondisplaced radial head fracture to prevent stiffness, but the motion must be protected and well supported. Lying on the back with the upper arm supported along the torso on a folded towel provides the most stability and alignment. This setup keeps the elbow close to the body, minimizes gravity‑induced shear or torsion at the joint, and reduces muscle guarding, making gentle flexion and extension more tolerable. The arm is stabilized so the patient can move within a controlled, pain‑free range without the forearm being pulled into unwanted positions. In other positions, the limb is less supported and more subject to gravitational forces and shifting alignment, which can increase stress on the healing radial head and make early motion harder to tolerate.