A PTA initiates US using water immersion to the distal calf…

A PTA initiates US using water immersion to the distal calf of a patient rehabilitating from a motor vehicle accident. The PTA had previously administered US using direct contact, 1 MHz frequency at 1.2 W/cm2 x 5 minutes. In order to maintain the same amount of tissue heating as originally used with direct contact technique, the PTA should:    

Evaluation findings for a 10-year-old include pain and limit…

Evaluation findings for a 10-year-old include pain and limited range of motion following a surgical repair of the medial collateral ligament and the anterior cruciate ligament. The plan of care includes the use of physical agents for pain control and tissue healing. What modality should the physical therapist assistant AVOID the use of?  

An athlete presents with pain and muscle spasm of the upper…

An athlete presents with pain and muscle spasm of the upper back (C7 – T8) extending to the lateral border of the scapula. This encompasses a 10cm by 10cm area on both sides of the spine. If the ultrasound unit only has a 5cm2 sound head, the physical therapist assistant should treat: