EZ Bar 21S
EZ Bar 21S Exercise Description
EZ-bar 21s is a curl variation that sequences partial- then full‑range elbow‑flexion phases to challenge the biceps through multiple joint angles. The semi‑supinated EZ‑bar grip supports neutral wrist alignment while you keep the upper arm still and move only at the elbow. Primary emphasis is on the biceps brachii, with the brachialis and brachioradialis contributing to elbow flexion. Shoulder and core musculature act isometrically to maintain posture and minimize momentum. The goal is precise control: consistent bar path, steady torso, neutral spine, and smooth transitions between lower‑range, upper‑range, and full‑range curls.
- Muscle Groups: Biceps
- Target Muscles: Biceps Brachii - Long Head, Biceps Brachii - Short Head
- Assisting Muscles: Brachialis, Brachioradialis
- Stabilizing Muscles: Longissimus, Rectus Abdominis, Rhomboid Major, Trapezius - Lower Fibers, Trapezius - Middle Fibers
- Body Area: Upper Body
- Body Parts: Arms, Upper Arms
- Body Surface: Front
- Body Symmetry: Bilateral
- Equipment: EZ Barbell
- Exercise Patterns: Other
- Exercise Type: Strength
- Functional Grouping: Elbow Flexors, Forearm Supinators
- Joint Involvement: Single-joint
- Muscle Location: Inner Bicep, Outer Bicep
- Movement Direction: Vertical
- Muscle Position: Anterior
- Gender: Male
How To Do The EZ Bar 21S Exercise
‘- Stand tall, neutral spine, ribs down. Hold the EZ‑bar with an underhand, shoulder‑width grip on the angled sections.
– Set shoulders gently back and down; keep elbows close to your sides.
– Start with arms straight but not locked; wrists neutral (no bending).
– Lower‑range phase: curl from full extension up to roughly elbow‑height; pause briefly, then lower under control.
– Upper‑range phase: start around elbow‑height, curl to near the shoulders without letting elbows drift forward; lower back to midrange.
– Full‑range phase: curl from near full extension to near the shoulders, then return to full extension under control.
– Keep upper arms stationary; avoid swinging, leaning back, or shrugging.
– Maintain even grip pressure; forearms stay in line with the bar throughout.
– Finish by lowering the bar to full elbow extension without hyperextending; re‑set posture as needed before the next sequence.
EZ Bar 21S Tips
‘- Stand tall with a neutral spine and ribs down before you start each sequence.
– Grip the angled sections of the EZ‑bar with an underhand, shoulder‑width grip and keep your wrists neutral.
– Set your shoulders gently back and down and keep your elbows close to your sides throughout.
– Keep your upper arms still and move only at the elbow; avoid swinging, leaning back, or shrugging.
– In the lower‑range phase, curl from near full extension up to about elbow‑height, pause briefly, then lower under control.
– In the upper‑range phase, start around elbow‑height, curl to near your shoulders without letting your elbows drift forward, then return to midrange.
– In the full‑range phase, curl from near full extension to near your shoulders, then lower back to full extension under control.
– Maintain even grip pressure and keep your forearms in line with the bar for a consistent bar path.
– Finish each sequence by lowering to full elbow extension without hyperextending, then re‑set your posture before beginning the next sequence.
EZ Bar 21S Beginner Introduction
EZ-bar 21s is a curl variation performed with an angled bar that highlights control and precision through different sections of the movement. The bar is usually held with a palms‑up grip on the slanted portions, placing the wrists in a comfortable, slightly turned position while the bar travels up and down. The arms bend at the elbows while the upper arms stay relatively still, so the effort centers on the biceps with support from the forearms and the rest of the arms.
This exercise is structured in three distinct parts: a series of curls through the lower half of the range, then the upper half, and finally full‑length curls from near straight arms to near the shoulders. Throughout, the torso remains upright, the spine aligned, and the shoulders steady, with the core and shoulder muscles working to hold a stable posture and limit swinging or cheating. The result is a focused arm drill that emphasizes smooth motion, consistent bar travel, and strong body control from start to finish.