Please choose the correct ending to complete the given sentence: Youth: [header] How to get sexy curves (for teenage girls ) [title] Build muscle. [step] Try workouts that are great for your hips, thighs, and butt. Skip the cardio, which will make your muscles lean, and go for anaerobic exercises that will help you get thicker.

Ending1: If you can't warm up a lot, do curls or anything else that will get your muscle definition. Work out in an elliptical machine or try yoga. Ending2: [substeps] Do squats, lunges, and other repetitions to build muscle in your butt and get thicker thighs. Do crunches to work out your core muscles and cinch your waist. Ending3: You can build muscle with jumping rope, bench presses and bicep presses. Developing lean and toned muscles can also help protect your legs and your back, making it easier to track your progress over time. Ending4: To build muscle, get your thighs and bottom toned. [substeps] Do hip exercises that involve lifting weights for a split second, then doing butt squeezes or leg lifts.

Answer format: ending1/ending2/ending3/ending4