This video provides a helpful guide for beginners who want to start resistance training. It covers the basics of what resistance training is and why it is beneficial, with a focus on the hypertrophic rep range (8-12 reps). The video stresses the importance of practicing correct technique in order to build muscle and improve form. Ultimately, the most important part of resistance training is practice - doing it frequently will result in better muscle growth. A personal trainer can help you achieve this.