Besides weight loss, fitness is also good and necessary for bodybuilding.
Below 10 YouTube channels offer many video tutorials for how to build muscles, and you can refer to them during workout, especially when you are training at home.
1. Scooby

Channel Views: 3,839,979
Joined: August 01, 2006
Subscribers: 146,072
Videos: 125
On this channel, Scooby shows you how to do fitness and build muscles at home with more than 100 videos.
2. BODYBUILDING MUSCLE MostMuscular.Com

Channel Views: 3,510,688
Joined: May 10, 2006
Subscribers: 33,894
Videos: 980
This famous male bodybuilding channel offers nearly one thousand videos, from which you can see many great bodybuilding athletes and their training ways.
3. Bodybuilding Tipps

Channel Views: 195,013
Joined: August 18, 2009
Subscribers: 12,520
Videos: 33
Flavio’s YouTube channel shows you how to build muscles without going to a gym with more than 30 videos.
4. Lee Hayward’s Total Fitness Bodybuilding

Channel Views: 293,116
Joined: November 08, 2006
Subscribers: 10,900
Videos: 193
With more than 100 videos, Lee shares his bodybuilding workouts, posing practices, and training tips on his YouTube channel.
5. Micheal Ferencsik’s Natural Bodybuilding How To Channel

Channel Views: 149,468
Joined: February 25, 2007
Subscribers: 7,572
Videos: 25
On this channel, Micheal Ferencsik show 25 video tutorials of bodybuilding, mainly about how to build muscle mass with different fitness equipment.
6. INBF, NPC, OCB Teen Bodybuilder-Nick Wright

Channel Views: 205,333
Joined: April 24, 2006
Subscribers: 7,115
Videos: 71
On this channel, Nick shows you his bodybuilding experiences with more than 70 videos.
7. Building Muscles !

Channel Views: 95,331
Joined: May 24, 2008
Subscribers: 6,457
Videos: 41
On this YouTube channel, Basil, a middle-aged man shows you how to build muscles with his experiences.
8. Sean Nalewanyj’s Body Transformation Video Lessons

Channel Views: 75,540
Joined: June 10, 2009
Subscribers: 5,148
Videos: 12
Although there are not many videos, Sean Nalewanyj shows you how to burn fat, build muscle, and gain strength with detailed tutorials.
9. Bodybuilders

Channel Views: 377,732
Joined: May 12, 2006
Subscribers: 5,142
Videos: 391
This channel shows you the workouts of some famous athletes.
10. Team MuscleTech Videos

Channel Views: 82,686
Joined: November 27, 2008
Subscribers: 4,379
Videos: 84
As the name, the Team MuscleTech Videos channel is for you to improve your body muscle in correct ways with tens of video tutorials.
Everyone can gain weight and build muscle mass, but the process will take a lot of time with many practices, and besides the above 10 YouTube channels, you can also check out the wikiHow webpage, which introduces a general system, including to develop a program, to practice good form, to have a diet and some other tips about how to build muscles.
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