Jefferson Curls
Jefferson Curls are a dynamic exercise that stretches and strengthens the back muscles as well as the hamstrings. By slowly bending the upper body, this exercise improves flexibility and stability in the back. Other exercises that stretch the posterior chain include Good Mornings or the Elephant Walk.
Jefferson Curls - the correct execution
- Start in a hip-width stance
- Actively hold tension in core and glutes
- Bend forward one vertebra after another
- Start with the cervical spine
- Go as deep as possible
- Straighten up in a controlled manner, vertebra by vertebra
The exercise Jefferson Curls is intended to be used as a mobility exercise.
Which muscles are trained by Jefferson Curls?
Primary trained muscles for Jefferson Curls
Lower Back - The erector spinae muscle runs along your spine and helps you extend your back and stand upright.
Hamstrings - The hamstrings are muscle groups located at the back of your thigh. They help you bend your knee and extend your hip.
Alternative variants of Jefferson Curls:
Weighted Jefferson Curls with dumbbells
For a more intense version of Jefferson Curls, weights like dumbbells can be used. This variation is a progression, as the added weight puts more demand on muscle strength and stability in the back and hamstrings.
Necessary equipment

Weighted Jefferson Curls with dumbbells - the correct execution
- Start in a hip-width stance on a weight plate / elevation
- Hold the dumbbells in front of your hips with arms extended
- Actively maintain tension in the torso and buttocks
- Bend forward vertebra by vertebra
- Start with the cervical spine
- Go as low as possible and bring the weight close to the body towards the floor
- Straighten up slowly and in a controlled manner
- The training weight for this exercise is the weight of a single dumbbell. Therefore, train with two dumbbells that weigh the indicated weight
Jefferson Curl Squat
After Jefferson Curls, which strengthen and stretch the back muscles and hamstrings, the deep squat shifts the focus to the flexibility and stability of the hips, knees, and ankles. In this exercise, you squat as deeply as possible to improve lower body mobility and activate key muscle groups like the quadriceps, glutes, and calves.
Jefferson Curl Squat - the correct execution
- Start in a shoulder-width stance
- Roll down vertebra by vertebra towards the floor
- Go as low as possible
- Knees are slightly bent
- Lower your glute to the floor and go into a deep squat position
- Stretch your arms overhead and stand up
This could also be interesting

Calisthenics Body Transformation – How to Build a Strong, Lean, and Athletic Physique
Transform your body with Calisthenics! Build muscle, burn fat & achieve a shredded physique with bodyweight training. See real before & after results!

Complete Calisthenics Skills List – 40+ Exercises from Beginner to Pro
Which calisthenics skills should you learn first? And which ones will really help you progress? In this article, you’ll find a complete list of over 40 exercises – from the very basics to the toughest moves for professionals. Each exercise comes with instructions, so you can immediately integrate them into your training.

The Best Fitness Apps in 2025: Our Top 10 Recommendations
Don’t miss the best fitness apps of 2025: surprising favorites, free options, and perfect tools for your workouts. Find the ideal app today!



