My gym offers some bikes on which you recline while pedaling. Are those better than the standard kind? —T.B., Chicago

For some people.While the intensity of the workout probably does not vary between the two types of exercise bikes, reclining or semirecumbent bikes may be safer for your muscles and joints. That’s because your lower back and upper body are supported on an angled cushion while you pedal, and this and the semirecumbent’s wider seat provide extra comfort. Consider that type if you have neck, shoulder, back, or hip problems, are overweight, or simply find that the bike’s design makes pedaling easier.