Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to get rid of flabby arms [title] Set up a routine. [step] In order to get the most out of your work-outs and maximize muscle tone, it is important to set up a routine and stick to it. Choose 3 to 4 different exercises that you feel comfortable with and can perform correctly.

Ending1: [substeps] If you love it exercise, make sure you vary it as frequently as possible. A full workout helps to get the core and elastic muscles going. Ending2: [substeps] Get a realistic workout plan for your biceps, triceps, and shoulders. Try to do five days of muscle strength for each workout. Ending3: [substeps] Weight lifting is one kind of exercise that you'll want to do everyday. It can be wrist weights, pull-ups, squats, deadlifts and barbell squats. Ending4: You should also make sure to choose a selection of exercises that target different arm muscles, so as not to be working the same muscles all the time. [substeps] To begin with, you should aim to perform 3-4 sets of each exercise, with 8-12 repetitions each.

Answer format: ending1/ending2/ending3/ending4