Bring yourself to the 4 point position (on all fours)
90° angles at hips and shoulder and neutral spine
Raise opposite limbs till they are parallel to the ground
Hold for a split second and bring back to starting position
Core Stability 1 Crosslateral Limb Raise 4Pt Position एक्सरसाइज़ गाइड - Abdominals वर्कआउट | MuscleWiki