Trunk rotates toward the KB side
Core anti-rotation fails under the unilateral load.
Overactive muscles
ObliquesLatissimus dorsi
Corrective work
Foam RollLats↗StretchQL side-bend stretch↗Hinge · Lower Body
Kettlebell RDL (Single-Arm)
Coaching cues
- Hold one KB in one hand; push the hips back — KB travels close to the leg
- Lower until a hamstring stretch is felt; maintain a neutral spine
- Drive the hips forward to return; squeeze the glute at lockout
- The single-arm load creates an anti-rotation core demand
Common faults 2
Lower back rounds at the bottom
Hamstring flexibility limits the single-arm hinge depth.
Overactive muscles
HamstringsLatissimus dorsi
Corrective work
Foam RollHamstrings↗StretchHamstring stretch with strap↗