Myofascial release works to release the fascia and connective tissue. In simple terms, fascia is the tissue that holds our shape. It shapes muscles, tendons and organs, etc. When the body is stressed, hormones are released causing fascia and connective tissue to thicken and become restricted. This is the body’s way of attempting to protect itself from injury, but if the body overreacts, somewhat of a “false alarm”, thickening and restrictions of fascia and connective tissue can actually cause more tension, potentially leading to injuries.
When it is restricted, there is a loss of elasticity, and the muscles can’t glide, therefore they can’t perform to their fullest ability. Fascial restrictions can prevent the horse from moving fluidly, feel “heavy” & feel like you’ve lost your “engine”. Now there is more to it than that, but in general, that’s the gist.