Squat with bicep curls is a combination exercise that works on the different muscles groups together. Combining two workouts allow you to get the maximum benefits of exercise in minimal time. Squat exercise with bicep curl exercise is a combination of a leg workout with an arm workout that works on arms, shoulders, biceps, thighs, gluteus, quadriceps, back and core muscles to strengthen them and build muscles. Adding dumbbells in the workout increases challenge and intensity of the exercise. Keep your abs tight throughout the workout to engage midsection in the exercise.