📄 Plank (Prone Bridge) 📅 January 17, 2026 Detailed instructions for Plank (Prone Bridge) coming soon.
📄 Stomach Vacuum / Abdominal Hollowing (TrA Activation) 📅 January 17, 2026 Detailed instructions for Stomach Vacuum / Abdominal Hollowing (TrA Activation) coming soon.