The Barbell Jefferson Curl is an effective exercise for developing posterior chain strength and flexibility.
- Stand with your feet shoulder-width apart, holding a barbell in front of you with an overhand grip.
- Slowly bend at the hips and lower your torso while keeping your knees slightly bent.
- Allow the barbell to roll down your legs, maintaining a rounded back.
- Lower the barbell until you feel a stretch in your hamstrings and lower back.
- Return to the starting position by engaging your hamstrings and glutes.
How to perform the Barbell Jefferson Curl
- Set up. Set up in a stable, balanced starting position appropriate for the Barbell Jefferson Curl using your barbell.
- Brace and execute. Brace your core, control the descent, and move through a full pain-free range of motion while emphasizing your glutes.
- Reset. Reverse the movement under control and reset between repetitions, keeping your form crisp on every rep.
Coaching cues
- Move with intent — every rep should feel deliberate, not rushed.
- Drive force through your glutes rather than momentum.
- Keep your breathing steady: exhale on the hard part, inhale on the reset.
Common mistakes
- Using too much weight and losing positional control.
- Cutting the range of motion short and missing the target muscle.
- Letting your spine round or hyperextend instead of staying neutral.
Detailed cues, common mistakes, and demonstration video are available in the Fitly app.
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