0Most people that lift for appearances tend to come in and do bench press and bicep curls and then leave. Ironically, they end up looking silly with tiny legs, big biceps and big chest.
Lifting legs burns more calories than any other body part. Going along with this, they are the biggest muscles, keeping them around increases your metabolism since it costs more calories to keep them repaired than any other muscle.
When you do a lifts like Dead lift, Lunges, and squats, you engage more muscles than just your legs. A lot of body builders eschew most traditional ab and lower back exercises now in favor of giving them the secondary work out through leg lifts.
If you're doing anything athletic, your legs and core are your bread and butter, you use your legs for everything, it's better to have them strong.
Strong legs helps to prevent injuries and improves balance in sports and in day to day activities.
