Bloomquist and colleagues
Study / Research
Conducted a classic study comparing quarter squats versus parallel squats, finding greater quadriceps growth with deeper squats.
Mentioned in 2 videos
Videos Mentioning Bloomquist and colleagues

Can stretching directly cause muscle growth?
Stronger By Science
Conducted a classic study comparing quarter squats versus parallel squats, finding greater quadriceps growth with deeper squats.

Drug Testing, New Supplement Research, Squat Science, and Dr. Eric Helms (Podcast Episode 8)
Stronger By Science
One of two other studies mentioned that also measured quad and hamstring hypertrophy after squat training, aligning with the finding of minimal hamstring growth.