This website is AMAZING. I LOVE BODYROCKTV It is my workout bible, and best of all, its completely FREE. Tons of workout vids and plenty more to stave off ruts. Most of the routines are between mins long and that's all you need.
1500 Rep Resistance Workout 35 V Sit Shoulder Press 30 One Leg Bicep Curls – Right leg 30 One Leg Bicep Curls – Left Leg 25 Glute Kickbacks – Right Leg 25 Glute Kickbacks – Left Leg 35 Deadlifts 30 Bent Over Rows 40 Resisted Squats