PHYSICAL THERAPY 105

Course overview

*Define laser. *Discuss the critical properties of laser light and the categories of lasers. *Define power density and energy density. *Recognize the factors that effect the depth of penetration of light therapies. *Explain why certain frequencies are employed with therapeutic lasers. *Discuss the proposed physiological mechanisms of light therapy. *List the contraindications and precautions for the use of low level laser therapy. *Differentiate continuous wave and super pulsed laser therapy. *Describe the application techniques for low level laser therapy. *Describe light emitting diodes. *Describe ultraviolet radiation and the difference between UVA, UVB and UVC. *List the effects of UV light. *Describe the dosage determination method for UV therapy, MED and E1 - E3. *List the contraindications and precautions to the use of UV therapy.