Étirement du Psoas-Iliaque en Fente Basse
The psoas muscle attaches directly to the front of the lumbar vertebrae (L1-L5) and the femur. When shortened from sitting, it pulls the lower back into hyperlordosis and anterior pelvic tilt. Lengthening it removes immense lumbar shear stress.
Exécution Étape par Étape
PROTOCOLE CLINIQUE- 1 Begin in a half-kneeling position with one knee on a padded mat and the front foot flat on the floor, both knees at 90 degrees.
- 2 Tuck your pelvis underneath you (posterior pelvic tilt) and squeeze the glute on the kneeling side.
- 3 Keeping your torso upright, gently shift your entire body weight forward by 1-2 inches until you feel a deep stretch in the front of your kneeling hip.
- 4 Optionally reach the arm on the kneeling side straight overhead and lean slightly toward the opposite side.
- 5 Hold for 30 seconds while breathing calmly. Switch sides and repeat.
CONSIGNES POSTURALES CLÉS
- ✓ Do not arch your lower back to lean forward; keep your pelvis tucked and spine tall.
- ✓ Squeeze the glute on the kneeling leg throughout the stretch to reciprocal-inhibit the hip flexor.
ERREURS À ÉVITER
- ✗ Do not hyperextend your lumbar spine to get deeper forward.
- ✗ Avoid letting your front knee collapse inward.
CONTRE-INDICATIONS ET SITUATIONS À ÉVITER
Do not perform this movement or modify strictly under clinical supervision if you have:
- Severe knee joint pain or patellar bursitis on kneeling leg (use thick cushion or standing variation)
Biomécanique Clinique & Preuves
This exercise protocol utilizes proven spinal mechanics: active core co-contraction (McGill stabilization), directional preference extension (McKenzie MDT), and non-compressive axial elongation to facilitate nutrient exchange in the avascular intervertebral disc matrix.