Elbow To Knee Side Plank Crunch
Elbow To Knee Side Plank Crunch Exercise Description
The Elbow to Knee Side Plank Crunch blends lateral core stability with controlled trunk and hip flexion. It primarily targets the external and internal obliques, with assistance from the transverse abdominis to brace and resist unwanted motion. The bottom shoulder girdle (serratus anterior and rotator cuff) and the hips—especially the gluteus medius—work isometrically to keep the body aligned. Because you’re maintaining a side plank while moving the top leg and trunk, the exercise challenges coordination, pelvic control, and spinal alignment under load. Expect a focused demand on keeping ribs down, hips level, and a neutral neck while you bring the top elbow toward the top knee.
- Muscle Groups: Abs, Obliques, Waist
- Target Muscles: External Obliques, Internal Obliques
- Assisting Muscles: Rectus Abdominis
- Stabilizing Muscles: Gluteus Medius, Infraspinatus, Serratus Anterior, Subscapularis, Transversus Abdominis
- Body Area: Upper Body
- Body Parts: Core
- Body Surface: Side
- Body Symmetry: Unilateral
- Equipment: Bodyweight
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Trunk Lateral Flexors, Trunk Rotators
- Joint Involvement: Multi-joint
- Muscle Location: Deep Side Abs, Side Abs
- Movement Direction: Other
- Muscle Position: Lateral
- Gender: Female
How To Do The Elbow To Knee Side Plank Crunch Exercise
‘- Lie on your side with legs long, feet stacked, and forearm on the floor; elbow directly under shoulder.
– Place your top hand lightly behind your head; keep chin tucked and neck long.
– Press the forearm into the floor, brace the abdomen, and lift hips so ear–shoulder–hip–ankle form a straight line.
– Stack shoulders and hips vertically; keep ribs down and pelvis level.
– Exhale, draw the top knee toward your chest while bringing the top elbow toward that knee via a small, controlled crunch.
– Keep the bottom hip lifted; avoid rotating the torso—move through the side body, not by twisting.
– Touch or nearly meet elbow and knee without pulling on the head.
– Inhale, return to the long side plank with control; do not let the hips sag.
– Maintain steady breathing and tension through the forearm and lateral hip throughout the set.
– Lower to the floor with control, then switch sides.
Elbow To Knee Side Plank Crunch Tips
‘- Stack your feet and place your forearm with the elbow directly under the shoulder before lifting.
– Keep your chin tucked and neck long as you move; avoid jutting the head forward.
– When you lift, create a straight line from ear to shoulder to hip to ankle.
– Actively keep ribs down and pelvis level to maintain alignment.
– Stack shoulders and hips vertically to avoid rolling forward or backward.
– As you crunch, bring the top elbow toward the top knee with a small, controlled motion.
– Move through the side body and avoid rotating or twisting the torso.
– Keep the bottom hip lifted the entire time; do not let it sag.
– Do not pull on your head with the top hand when bringing elbow to knee.
– Maintain steady breathing and constant tension through the forearm and lateral hip until you lower with control.
Elbow To Knee Side Plank Crunch Beginner Introduction
The Elbow to Knee Side Plank Crunch is a dynamic core exercise that builds strength along the side of the waist while challenging balance and body awareness. Performed from a supported side position, it combines a stable plank with a gentle curl of the upper body and top leg, bringing the elbow and knee toward each other. The main effort centers on the side abs, with the deep abs helping the midsection stay firm and steady against extra movement.
In this variation, the supporting shoulder, rib cage muscle, rotator cuff, and upper glutes hold a strong, still base so the spine, hips, and neck can line up smoothly. Holding the plank as the trunk and leg move together tests coordination, pelvic control, and alignment under load. There is a clear emphasis on level hips, a quiet ribcage, and a long, comfortable neck, which encourages precise, controlled motion rather than swinging. As both sides of the body are trained, the exercise promotes balanced lateral strength and improved side-to-side stability.