BACKGROUND AND PURPOSE: To determine if timing of glenohumeral joint mobilizations during treatment sessions has an effect on range of motion and functional outcomes. Joint mobilization is a commonly implemented treatment by physical therapists to increase active and passive range of motion and function. The role that timing of mobilization during treatment plays on range of motion and function, however, is unknown. METHODS: A convenience sample of 8 subjects who were under the care of licensed physical therapists were recruited and randomly assigned to either an early or late mobilization group. Active and passive range of motion measurements and a subjective functional questionnaire were taken at initial visit, 1-week, and 4-week follow-up. FINDINGS: Mann-Whitney U found no statistically significant results. However, the late mobilization group demonstrated a trend toward greater median change for functional outcome measure. CLINICAL RELEVANCE AND CONCLUSION: Timing of joint mobilization did not produce a statistically significant difference in range of motion gains or functional scores, However; individuals receiving mobilization at the end of their treatment appeared to demonstrate a trend toward greater improvements in functional outcome scores. Further research needs to be conducted to confirm this trend.

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