If you have a set of dumbbells and a chair, you can do this upper-body toning routine (just 7 minutes)

12-Minute Seated Core Workout Video

Bootcamp: 9-Minute Core Workout with Dumbbells Video

How to tone your arms with nothing but a ball! This is a surprisingly difficult workout!

Sit down and shape up! You can do this routine at your desk, on the couch--just about anywhere! 9-Minute Seated Arm and Shoulder Workout | via @SparkPeople #fitness #exercise #video #weights #strength #strong #dumbbell

6-Minute Hips, Glutes & Thighs Workout

Our streaming online videos bring exercise, cooking, and healthy living to life!

10-Minute intense barre-style workout | Video

Summer Arms Challenge

Today's Video: Leg-Toning Chair Exercises

Workout Video: 10-Minute Crunchless Core Workout

(Another pinner said: This website is AMAZING. 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 12-20 mins long and that's all you need.)

Blast Away Belly Fat With This 10-Minute Workout!

Cardio Kickboxing Workout: Burn 100 Calories in 10 Minutes (and have fun doing it)!

This six-move routine will give you amazing arms, sculpted shoulders, and a sexy chest and back.

10-Minute Tush-Toning Pilates Workout