The purpose of the present study was to examine the reliability, validity, and sensitivity to change of a visual analogue pain scale, a visual analogue function scale, a set of painfree function items, painfree grip strength, and maximum grip strength in subjects with the clinical diagnosis of lateral epicondylitis at the elbow. All outcome measures were administered at four points in time, with the first two measures and the last two measures representing theoretical no change and the difference between the means of Time 1/Time 2 and Time 3/Time 4 as the theoretical change measure. The change status was measured over a 6-week period. This allowed the calculation of reliability, validity, and sensitivity to change for the measures under investigation. The results indicated high values of reliability and moderately high validity values for all measures. All measures were found to be sensitive to change, with maximum grip strength being less sensitive than the other measures. In summary, this study offers the clinician a variety of outcome measures which may be useful in making quick, yet valid, assessments concerning the severity, and when followed over time, the change status of the lateral epicondylitis patient. It also allows a direct comparison between the outcome measures PFG and MGI. A review of this latter comparison suggests that PFG may be the better measure when evaluating sensitivity to change.