If you're looking for a fitness routine that targets all the major muscle groups, boosts your strength, and fits into a busy schedule, this three-day full-body workout ... 2–3 full-body sessions ...

Unleash your inner hybrid athlete! This 45-day workout plan combines endurance and strength training for optimal fitness.

Having a plan to do everything you want is critical to finding that efficient sweet spot between your efforts and your time.

If you miss one workout on this plan, you neglect an entire muscle group that week. Split workouts plans also work best if you can dedicate at least 45 minutes each day to your workout -- working ...