Effects of Different Heating Modalities on Hip Flexion Passive Range of Motion

in International Journal of Athletic Therapy and Training

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Matthew HansonBuena Vista University

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James DayBuena Vista University

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Therapeutic modalities are routinely administered to increase fexibility, but the relative effects of different modes of tissue heating on passive range of motion (PROM) are unknown.


To assess the relative effects of active exercise on a stationary bicycle, moist hot pack treatment, and warm whirlpool treatment on hip fexion PROM.


Repeated measures.


24 males and 20 females between the ages 18 and 24 years.

Main Outcome Measure

Hip fexion PROM measured by an inclinometer.


Repeated measures analysis of variance identified a significant difference among the heating methods, F(1, 43) = 32.41; p < .001. Active exercise produced the greatest change in hip fexion PROM.


All three treatment methods produced an increase in hip fexion PROM, but active exercise produced a significantly greater increase than moist hot pack and warm whirlpool treatments.

Matt Hanson is an assistant professor of exercise science and the Human Performance Program Director at Buena Vista University in Storm Lake, Iowa.

James Day is an instructor of exercise science and the Head Athletic Trainer at Buena Vista University, Storm Lake, IA.

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