Half Center Split
The Half Center Split is a lower-body mobility exercise that targets the adductors and hip flexors by extending one leg while maintaining a kneeling position. This movement improves inner thigh flexibility and hip range of motion, which are essential for deep squats and lateral agility.
Iridium identifies this as a mobility drill that does not count toward your Maximum Recoverable Volume for the adductors. The algorithm reviews your 7-day training history to insert this movement when recent lower-body intensity warrants active recovery or flexibility work. Iridium scales the duration of the hold to fit your session's time constraints while ensuring adequate exposure for the muscle tissue.
Form Cues
- Keep your chest lifted and torso upright throughout the hold.
- Slide your foot out gently until you feel a mild tension in the inner thigh.
- Engage your core to keep your lower back neutral.
- Breathe deeply and relax into the stretch.
- Keep your hips squared forward as much as possible.
- Don't round your spine or hunch your shoulders.
- Don't force the stretch to the point of sharp pain.
- Don't let your hips twist excessively to the side.
- Don't bounce or use jerky movements.
Common Mistakes
- Rounding the lower back
- Holding breath during the stretch
- Forcing range of motion
- Twisting hips away from the stretch
- Hyperextending the lower back
Muscles Worked
This exercise primarily isolates the adductor muscles of the inner thigh, which are often tight from prolonged sitting or heavy squatting. It also provides a secondary stretch to the hip flexors of the kneeling leg, helping to restore neutral pelvic alignment.
Primary
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