Question

Muscle imbalances can be caused by lack of core strength and poor training techniques. which concept causes the biceps femoris and piriformis to compensate in a squatting movement

Answer 1

The concept of Synergistic dominance causes the biceps femoris and piriformis to compensate in a squatting movement.
The term Synergistic dominance denotes the trait where one muscle becomes so dominate it can inhibit a muscle that helps with the same movement.