which of the following aerobic activities has the highest impact on the joints? a. cycling b. swimming c…

Brief Explanations:

Running involves repeated high - force impacts on joints as the body lands and pushes off the ground. Cycling is low - impact as the joints are in a more stable range of motion. Swimming is non - weight bearing and gentle on joints. Walking has less impact than running due to slower pace and lower forces.

Answer:

C. running