For a great do-anywhere workout, try this tough routine from CrossFit trainer Erica Giovinazzo. Try to get through this circuit as many times as possible in 30 minutes. 

The Circuit

  • Run: 1 minute
  • Pushups: 10 reps
  • Situps: 15 reps
  • Jump rope: 1 minute
  • Body-weight squats: 20 reps
  • Clapping pushups: 5 reps
  • Toe touches: lie faceup with legs in air, reaching for toes; 15 reps
  • V-ups: 10 reps
  • Jump squats: 15 reps
  • Jump rope: 1 minute
  • Burpees: 1 minute
  • Up-down planks: forearm to full planks; 10 reps
  • Lunges: 10 reps per side