Final answer:
Deep squats are most likely to result in the greatest amount of patellofemoral joint compression forces. Swimming, which is a low-impact activity, can be more effective in managing osteoarthritis by reducing stress on joints and maintaining mobility.
Step-by-step explanation:
The activity most likely to result in the greatest amount of patellofemoral joint compression forces is B. Deep squats. Activities such as swimming, walking, and bike riding are generally recommended for those with osteoarthritis, as they tend to put relatively little stress on the joints. In contrast, deep squats can exert significant stress on the knee joint, particularly the patellofemoral joint. These compressive forces can be much greater than when the knees are less flexed, as is the case with the non-impact exercises listed.
Swimming could be more effective as a treatment for osteoarthritis due to its low-impact nature, helping to maintain joint mobility and reducing stress on joints. During activities like deep squats, forces that are easily ten times greater than the weight being supported can be exerted on the joints, which can lead to increased frictional forces and potential pain or injury if joints are already deteriorated from conditions such as osteoarthritis.