Dumbbells aren't necessary to forge ripped biceps, as evidenced by the muscles Sylvester Stallone formed while throwing refrigerators at his stove. Flex your might with this Groupon.
$35 for One Month of Unlimited CrossFit Classes ($125 Value)
High-intensity CrossFit conditioning classes incorporate moves such as squats, pushups, ring dips, and dumbbell lifts that can scale to challenge exercisers of all stripes. Click here to see the class schedule.
CrossFit Muscle Farm
Lifting coach Pablo Roman, a four-time Cuban national champion and world championship finalist, calls CrossFit Muscle Farm his office, as does a staff of accomplished athletes and coaches. Together, they lead CrossFit classes, high-intensity workouts that change regularly but always rely on serious conditioning moves, such as dead lifts, pushups, walking lunges, weighted chin-ups, and burpees. Though noted for its challenging nature, CrossFit can be scaled to exercisers of all ability levels and ages.