Question

Increasing the joint extension is one goal of post-surgical rehabilitation therapy. In a study to evaluate the effect of therapy whic uses ultrasound and stretching, passive knee extension was measured after each treatment. Passive knee extension data is given (in degrees) for a sample of 10 therapy participants. 54 41 67 55 71 42 58 58 56 Compute the following:

a) Mean

b) Median

c) Range

d) Standard Deviation

e) What would be the z-score for a patient that experienced a knee extension of 57 degrees?

f) Should a therapist be concerned about a patient who experienced a knee extension of less than 45 degrees? Why?

Answer 1