A client has 6/10 knee pain at the beginning of a workout. At the end of the first set of the lateral step with a mini-band his knee pain decreased to 4/10. At the end of the second set it decreased to 2/10. After the third set, his knee pain increased back to 4/10. What should you do next? A. Stretch his hamstrings
B. Move on to another corrective exercise that targets the glutes
C. Make a note to never repeat that corrective exercise in the future
D. Perform a fourth set and see if it helps

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.