Also, don't worry that a fixed barbell is being used in the video ... here's a 20-minute bodyweight HIIT workout, that'll still fire up all your muscles. High-intensity interval training is ...

You may notice the first two moves are done with a barbell but this isn ... applied the typical structure of a HIIT (high-intensity interval training) workout to shape this back and biceps routine.

Directions: A complex is a very efficient method of weight training that asks you to perform sets of many different exercises in succession without putting the weight down between to regather. For ...