Upright External Rotation

Strengthen the rotator cuff to prevent injury. AI checks your elbow position and rotation angle.

Instructions

• Stand tall, elbows bent at 90 degrees, upper arms parallel to floor.
• Rotate forearms up until vertical (cactus pose).
• Keep elbows aligned with shoulders.
• Lower back to horizontal.
• Use light weight.

Common Mistakes

• Dropping elbows below shoulder height
• Arching back to compensate
• Using heavy weight
• Range of motion deficits

Benefits

• Rotator Cuff Health
• Shoulder Stability
• Injury Prevention

Biomechanical Form Guide

Fitness & AI Biomechanics Guides Hub - Comprehensive educational guides on exercise biomechanics, 3D computer vision pose estimation, injury prevention, and progressive overload strength training.

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