Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to do a lateral raise [title] Choose your weights. [step] Select a few different dumbbell sizes to experiment with lifting. Make sure you can lift the dumbbell comfortably and repeatedly.

Ending1: You can also purchase a bench lift kit from your gym or a gym supply store. It's best not to lift dumbbells for more than 15 minutes before doing the basic raise. Ending2: Increase or decrease the number of sets and frequency of dumbbell raises based on the intensity of your exercise. [substeps] For men, eight dumbbells for each leg and four 10-pound weights for each calf. Ending3: Don't use dumbbells with muscles that are slightly strained. You want to lift the dumbbells with variety and so that you get the range of motion as well as flexibility. Ending4: Your focus for lateral raises will be building muscle tone, not on lifting heavy weights. [substeps] While dumbbells are most popularly used for this exercise, they are not a requirement for doing lateral raises.

Answer format: ending1/ending2/ending3/ending4