The purpose of this pilot study was to determine whether ultrasound administered in clinical dosage has a therapeutic effect on the healing of partially ruptured Achilles tendons. The subjects were 11 young male Marland rats which were divided into two main groups. One group was treated for 2 weeks, the other for 3. Each group consisted of experimental and control animals, the control animals being mocksonated only. A day after the final treatment the tensile strength of the Achilles tendon of all the rats was assessed. In addition, a light microscope and an electron microscope analysis of Achilles tendon tissue from rats on the 3 week treatment program was done. The statistical analysis of the data indicated a significant difference only between the experimental and control animals in the group sonated for 3 weeks. Electron microscope analysis showed ultrastructural changes in the tissue of the experimental animal consonant with those changes that would be found in a more advanced stage of the healing process. Sciences. Touro College, Huntington, NY. the effect of pulsed galvanic currents on the heal-$ Registered Physical Therapist.
Temporomandibular joint dysfunction is often the cause of a variety of symptoms throughout the head and neck. Because such dysfunction plays an integral part in head pain and earache, differential diagnosis should include an evaluation of the temporomandibular joint. Dentists are the primary professionals involved in temporomandibular joint evaluation and treatment, but they are mainly concerned with nonmovable radio-opaque parts. Physical therapists, then, must learn more about this joint so they can assist dentists in restoring function to it. Principles of joint evaluation are presented relative to the temporomandibular joint so physical therapists can apply their expertise in joint and soft tissue management to assist dentists in restoring function to the temporomandibular joint.
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