💪 Cable Curl Form Guide
Sculpt peak biceps with constant tension.
SportsReflector AI analyzes your cable curl form by tracking key body landmarks including the shoulder, elbow, and wrist joints. We monitor elbow flexion and extension angles, torso stability, and the range of motion to ensure optimal bicep activation and minimize compensatory movements. Our AI provides real-time feedback on your technique, helping you achieve a perfect curl.
Primary Muscles
Biceps Brachii
Equipment
Cable Machine, D-handle or Straight Bar attachment
AI Score Categories
6 metrics tracked
What AI Analyzes in Your Cable Curl
SportsReflector tracks 6 key metrics to generate your 0–100 form score.
AI Form Score
Every Cable Curl session gets an overall form score plus category-level scoring for each metric above.
4 Cable Curl Mistakes AI Catches
These are the most common Cable Curl form errors — and the ones most likely to cause injury or limit your progress.
Using momentum from the lower back and shoulders to lift the weight, rather than isolating the biceps. This reduces bicep activation, places undue stress on the lumbar spine, and can lead to lower back pain or injury.
Fix: Keep your torso rigid and upright throughout the movement. Engage your core and glutes to prevent any rocking. Reduce the weight if you cannot maintain strict form.
Failing to fully extend the arms at the bottom of the movement or not achieving maximal bicep contraction at the top. This limits muscle fiber recruitment and overall bicep development.
Fix: Ensure your elbows fully extend at the bottom, allowing a stretch in the biceps. Curl the weight until your biceps are fully contracted and the handle is near your shoulders, aiming for an elbow flexion angle of approximately 30-45 degrees at the peak.
Allowing the elbows to move away from the sides of the body during the curl. This shifts tension away from the biceps and onto the anterior deltoids, reducing the effectiveness of the exercise for bicep development.
Fix: Keep your elbows tucked close to your sides throughout the entire movement. Imagine your elbows are pinned to your ribs to maintain optimal bicep isolation.
Bending the wrists backward (extension) during the curl. This can put unnecessary strain on the wrist joint and forearms, potentially leading to discomfort or injury, and can reduce the focus on the biceps.
Fix: Maintain a neutral wrist position, keeping your wrists straight and in line with your forearms. Imagine holding a straight rod through your forearm and hand.
Muscles Worked
Get Your Cable Curl Form Score
Record your Cable Curl on your iPhone and get an instant 0–100 AI form score with specific corrections for every mistake above.
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Frequently Asked Questions
Everything you need to know about SportsReflector
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