[Answered]: An OTR who is service-competent to administer…

An OTR who is service-competent to administer physical agent modalities is selecting an intervention for a client who sustained a traumatic amputation of the tip of the dominant thumb just distal to the IP joint 12 weeks ago. The client has limited ROM at the CMC and MCP joints, mild edema, and hypoesthesia. Which intervention is MOST BENEFICIAL? A. Paraffin wax using a self-adhering wrap to position the client’s CMC and MCP thumb joints in flexion. B. Contrast bath while having the client grasp and release a sponge in the water of each container. ✅ C. Thermal ultrasound while gently stretching the MCP thumb joint in flexion as tolerated by the client. D. Fluidotherapy while performing resistive grasping with a hand exerciser.