Why do my stomach muscles cramp up when I do a deep backbend stretch?
1. Introduction Stomach muscle cramping during a deep backbend stretch is caused by an acute protective neurological reflex known as a muscle spindle spasm. When the abdominal wall is rapidly or excessively elongated beyond its accustomed range of motion, specialized sensory receptors within the muscle fibers detect a threat of overstretching. To prevent structural tearing, … Read more
