Cable Standing One Arm Serratus (Obliques) Crunch
Cable Standing One Arm Serratus (Obliques) Crunch Exercise Description
The Cable Standing One-Arm Serratus (Obliques) Crunch is a unilateral trunk–lateral-flexion exercise performed with a high cable and single handle. It primarily targets the external and internal obliques by bringing the rib cage toward the pelvis on one side, with the rectus abdominis assisting. The working-side shoulder girdle remains stable as you hold the handle; the serratus anterior helps maintain scapular protraction and control so the torso—not the arm—drives the movement. Standing places demand on trunk stiffness and pelvic control, helping you practice keeping the hips square while the thorax moves. The goal is precise, pain-free lateral flexion without pulling through the elbow, shrugging the shoulder, or rotating the torso. Use a controlled tempo and full-body alignment to keep the spine neutral at the start and end of each repetition.
- Muscle Groups: Abs, Obliques, Waist
- Target Muscles: External Obliques, Internal Obliques
- Assisting Muscles: Rectus Abdominis
- Stabilizing Muscles: Multifidus, Serratus Anterior, Transversus Abdominis
- Body Area: Upper Body
- Body Parts: Core
- Body Surface: Side
- Body Symmetry: Unilateral
- Equipment: Cable
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Trunk Lateral Flexors, Trunk Rotators
- Joint Involvement: Single-joint
- Muscle Location: Deep Side Abs, Side Abs
- Movement Direction: Lateral
- Muscle Position: Lateral
- Gender: Male
How To Do The Cable Standing One Arm Serratus (Obliques) Crunch Exercise
‘- Set a cable to a high pulley and attach a single D-handle.
– Stand side-on to the stack, feet about hip–shoulder width, knees soft.
– Grasp the handle with the hand closest to the stack; step out until the cable is taut.
– Bring your hand near your temple/side of head; elbow bent and pointed down.
– Set ribs over pelvis, brace lightly; shoulders down and gently protracted (no shrugging).
– Initiate by laterally flexing the trunk toward the stack, “shortening” the working-side waist.
– Keep hips square and the arm position mostly fixed; avoid pulling with the elbow.
– Pause briefly; do not rotate or lean forward/back.
– Control the return to tall neutral under tension.
– Keep range comfortable and spine neutral; stop before hip hiking or side shifting.
Cable Standing One Arm Serratus (Obliques) Crunch Tips
‘- Stand side-on to the stack with feet about hip–shoulder width and knees soft.
– Step out until the cable is taut before you start the set.
– Bring your hand near your temple with the elbow bent and pointed down to fix arm position.
– Set ribs over pelvis and brace lightly before moving.
– Keep the working-side shoulder down and gently protracted; avoid shrugging.
– Initiate the rep by laterally flexing your trunk toward the stack, “shortening” the working-side waist.
– Keep the hips square and avoid rotating or leaning forward/back as you move.
– Maintain a mostly fixed arm position and avoid pulling with the elbow so the torso drives the motion.
– Control the return to a tall, neutral position under tension at the end of each rep.
– Keep the range of motion comfortable and spine neutral, stopping before any hip hiking or side shifting.
Cable Standing One Arm Serratus (Obliques) Crunch Beginner Introduction
The Cable Standing One-Arm Serratus (Obliques) Crunch is a cable-based side-bending movement done in an upright stance, working one half of the midsection at a time. With the handle held in one hand beside the head, the torso bends sideways so the ribs draw closer to the same-side hip. This pattern strongly engages the side abs on the working side, with the front abs assisting, while the muscles along the ribs and shoulder area contribute by keeping the arm position steady.
Because it is performed standing, the exercise challenges overall torso steadiness and control of the hips. The lower body remains planted while the upper body moves, encouraging clean side flexion rather than twisting or leaning forward and back. The shoulder on the working side stays down and stable instead of lifting or yanking the weight, so the effort comes mainly from the waist rather than the arm. Attention to posture, comfortable range of motion, and smooth pacing supports a neutral spine at the beginning and end of each repetition.