Phil Heath, 7 time Mr. Olympia is as commonly known one of the most prominent bodybuilders in the world today. In addition to his success, Heath shares some advises on substitutes to the squat exercise in the featured video.
Being injured or unable to perform the squat can be frustrating since its a great exercise to build legs. More than that squats are great a compound movement to implement since it works the whole body essentially.
However, when someone don’t have to ability to squat properly there are substitutes. For example leg presses or doing lunges. In fact there are a variety of exercises which also effectively builds quads and hamstring.
Lesson learned, don’t stare blindly on the squat for volume or size, there are other ways to reach your goals.
See also: Interview with Mr. Olympia Phil Heath