Ítem
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Effects of pulsed therapeutic ultrasound on the treatment of people with knee osteoarthritis
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Autores
Rodríguez Grande, Eliana Isabel
Osma-Rueda, Jose-Luis
Serrano-Villar, Yannely
Ramírez, Carolina
Fecha
2017
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Editor
Society of Physical Therapy Science (Rigaku Ryoho Kagakugakkai)
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Abstract
[Purpose] The aim was to evaluate the effect of therapeutic ultrasound on the pain, joint mobility, muscle strength, physical function, and quality of life of people with knee OA. [Subjects and Methods] One-site, one-arm, before-after study that included people with Grade II or III tibiofemoral osteoarthritis. Ten therapeutic ultrasound sessions (duty cycle=20%, ERA=10 cm2, BNR=6:1, SATP=2.2 W/cm2, SATA=0.44 W/cm2, frequency=1 MHz, time=4 minutes) were applied. Assessments of primary outcome variables: pain intensity and function, and secondary variables: joint mobility, muscle strength and quality of life, were performed at onset and end of therapy; an additional intermediate evaluation was included for the primary variables. [Results] Means of repeated measurements of pain intensity (pain at rest, pain on palpation and pain after functional activities) and function showed significant differences. There was a significant reduction in pain intensity at the end of functional activities as well as a significant increase in function and in quadriceps muscle strength. [Conclusion] Therapeutic ultrasound applied in accordance with the parameters used, could be recommended during the treatment of individuals with knee osteoarthritis, because it significantly decreased the intensity of pain after the 5th session, and this reduction was maintained until the end of the intervention. © 2017 The Society of Physical Therapy Science.
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Keywords
Muscle strength , Pain , Ultrasound therapy
