These exercises target the calf muscles and promote hypertrophy without stressing the upper legs and growth in that region while giving them the chiseled look.
Leg presses are an excellent way to engage the legs without stressing out the back or any other regions of the body.
With a focus on lower body, the barbell squat is a compound movement that engages the entire body with emphasis on building strength and is a great way to start a workout. For building strength, you can lower the repetitions while increasing the weight.