Quick workouts

20-Minute Arm Workout:

Repeat 4 times for a total of 20 minutes

1st minute: 15 push-ups2nd minute: 15 dumbbell rows3rd minute: 15 shoulder presses4th minute: 15 biceps curls5th minute: 40 seconds jumping jacks; 20 seconds of rest

20-Minute Lower Body Workout:

Repeat 5 times, resting 30 seconds between sets.

30 seconds: Squats30 seconds: Rest30 seconds: Alternating lunges30 seconds: Rest30 seconds: Kettlebell deadlifts30 seconds: Rest30 seconds: High-knees

10-Minute Core Workout:

Repeat 4 times, resting 30 seconds between sets.

1 minute: Jackknife crunches1 minute: Plank