This exercise engages your legs, primarily your quadriceps and hamstrings, while also helping you gain balance and use your core to stabilize yourself alongside engaging your glutes, shoulders and cardiovascular system.
Lunges are excellent for both working out your cardiovascular system while at the same time building strength and muscle mass in your legs.
This modification of the classic deadlift focuses heavily on hamstrings and legs as a whole while still giving adequate engagement to the back, core muscles, glutes and building strength overall.
Leg curls isolate your hamstrings and stimulate them for maximum muscle growth and building strength in that region.
Leg raises are an excellent exercise that engages your abdominal muscles while building strength in that region. It's also excellent for lower abs.
The lying Russian twists are an excellent exercise that builds your core and abs while chiseling that coveted "V" of the lower abs.