In practical terms, the back and overhead squat may therefore provide similar training effects for the abdominal muscles. (strengthandconditioningresearch.com)
Blue line is training effect from too easy workout, red is from too hard, and green is the sweet spot. (roughstrength.com)
But since you're trying to go really fast, you get a great training effect with reduced speed and impact shocks. (marksdailyapple.com)