06/09/2026
📚 From an evidence-based perspective, activation of the deep core musculature—especially the transversus abdominis and multifidus—improves lumbopelvic stability and proximal force control, which enhances distal limb movement quality. This “proximal stability for distal mobility” concept is well supported in rehabilitation literature and is commonly used in treatment of low back pain, hamstring dysfunction, and movement impairments.
✅✅ Core engagement may also reduce excessive lumbar extension and improve intra-abdominal pressure, decreasing mechanical stress on the lumbar spine and neural tissues during the SLR. In some patients, this can temporarily reduce neural mechanosensitivity or hamstring guarding, which further increases apparent flexibility or leg raise height.
