Obliques (aka Criss-Cross family) train segmental thoracic flexion + rotation while the pelvis stays quiet. They build rotational trunk endurance, hip dissociation, and breath coordination—core skills for gait, sport, and daily turning.
Pilates machines and equipment explained.
From Beer Barrels to Back Bends: The Unexpected History and Ingenious Design of the Pilates Ladder
Mobility and Hidden Connections