Should I feel this in my lower back?

No. You should feel the turn through the middle and upper back, the side of the trunk and the back of the top shoulder, plus a mild hamstring stretch from the hinge. If the lower back takes over, push the hips further back, bend the knees a little more and make the turn smaller.

How many reps should I do?

In a warm-up, 6 to 10 slow reps per side is a typical dose, with a short pause and an exhale at the top of each turn. One or two sets is usually enough before training.

Is this the same as a windmill?

Not quite. The Kettlebell Windmill is a loaded strength exercise in which you hinge sideways under a weight held overhead, while this drill starts with both hands hanging toward the floor and rotates the chest from side to side with no load. The bodyweight windmill toe touch, which reaches one hand across to the opposite foot from standing, is a close relative.

Can I do it with tight hamstrings?

Yes. Bend the knees more and hinge only as far as you can keep the back long, since the goal is rotation rather than reaching the floor. If the hinge still strains the back of the legs, the Kneeling T-Spine Rotation Stretch trains the same turn from the hands and knees.

When should I do it in a workout?

It fits best in the warm-up before training that involves rotation, throwing or overhead work. It also works as a short movement break after long periods of sitting.

Bent-Over T-Spine Rotation

What Is the Bent-Over T-Spine Rotation?

Bent-Over T-Spine Rotation is a compound exercise that primarily targets the back, turning the upper and middle spine while the obliques, the muscles around the shoulder blades and the hamstrings also work. It is a beginner-level mobility drill done from a wide stance with the hips pushed back and the torso bent forward, in which one hand keeps reaching toward the floor while the other arm sweeps up toward the ceiling, alternating sides. It needs no equipment and is counted in reps rather than held.

The T-spine, or thoracic spine, is the part of the back between the base of the neck and the bottom of the rib cage, and it is where most of the trunk's twisting is meant to happen. The joints of the lower back are built mainly for bending forward and back and allow only a few degrees of rotation, so when the mid-back is stiff, the turn tends to be borrowed from the lower back or the shoulders instead. Holding the hips back in a wide hinge keeps the pelvis still, so the rotation has to come from the rib cage. That is why coaches use it in warm-ups for golf, throwing, racket sports and other rotational work, before overhead pressing and pulling, and as a movement break for people who sit for long hours.

The work is spread across several areas rather than loading one muscle hard. The spinal erectors hold the hinged back steady and, together with the obliques, turn the trunk, while the rhomboids, middle and lower trapezius and rear deltoid lift the top arm up and back. The hamstrings and inner thighs get a mild stretch from the hinge and the wide stance. Straighter knees and a deeper hinge add more hamstring stretch, while bending the knees more and hinging less makes it easier and keeps the focus on the upper back. A common variation places the top hand behind the head and turns the elbow toward the ceiling, which shortens the lever and is gentler on stiff shoulders.

Most people can use it, from beginners to experienced lifters and athletes, as long as they can hinge with a long back and are comfortable with the head below the hips. If the bent-over position is too demanding for the hamstrings or lower back, the Kneeling T-Spine Rotation Stretch and Thread the Needle train the same turn from the hands and knees, and the Lying T-Spine Rotation Stretch lets the floor support the whole body. For a bigger warm-up move that pairs rotation with a deep lunge, the World's Greatest Stretch is a natural next step. It is a different movement from the Kettlebell Windmill, which is a loaded side hinge with a weight held overhead.

Muscles Worked

MuscleActivation

Erector Spinae: Primary
External Oblique: High
Rhomboid Major: High
Upper Trapezius: High
Biceps Femoris: Medium
Deltoid: Medium
Latissimus Dorsi: Medium
Lower Trapezius: Medium
Adductor Magnus: Low
Gluteus Maximus: Low

Instructions

Stand with your feet set wide, about twice shoulder-width apart, with the toes pointing forward or turned slightly out.
Soften your knees, push your hips back and hinge forward until your torso is close to parallel with the floor.
Let both arms hang straight down toward the floor between your feet, and keep your back long and your hips level.
Keep one hand reaching toward the floor and turn your chest open to the other side, sweeping the other arm straight up toward the ceiling.
Let your head turn and your eyes follow the top hand, and stop when your arms form roughly one line with your chest, without forcing the arm behind you.
Pause briefly and breathe out at the top, keeping your hips still and pushed back.
Lower the top arm under control until both hands hang toward the floor again.
Repeat the turn to the other side, and keep alternating sides for the set.
Finish by driving your hips forward and standing up slowly.

Common Mistakes

Twisting from the lower back
Letting the pelvis turn with the chest moves the rotation into the lower back, which has little rotation to give, instead of the mid-back the drill is meant to free up.
Rounding the lower back
Folding forward from the waist instead of pushing the hips back leaves the lower back rounded and twisted at the same time and takes away the stable base the drill depends on.
Swinging the top arm
Throwing the arm up with momentum lets it travel behind the body without the rib cage turning and pulls on the front of the shoulder.
Bending sideways
Tipping the trunk toward one side turns the drill into a side bend, when the chest should rotate open while the spine stays long.
Locking the knees
Snapping the knees straight in the wide stance overloads the hamstrings and pulls the lower back into a rounded position.
Keeping the eyes on the floor
Holding the head still while the chest turns cuts the rotation short, so let the head turn and the eyes follow the top hand.

Injuries

Bent-Over T-Spine Rotation is a low risk exercise when performed with proper technique. There is no load beyond the weight of the arms and torso, and you decide how far to turn on every rep. Problems tend to show up in three places: the lower back, when the turn is forced from the lumbar spine or the pelvis rotates along with the chest; the hamstrings, when the hinge goes deeper than they allow; and the front of the top shoulder, when the arm is flung back further than the upper back has turned.

Keep the hips pushed back and level, hold a soft bend in the knees, and move slowly, breathing out into each turn instead of swinging the arm. Turn only as far as the rib cage rotates, with the top arm staying roughly in line with the chest rather than reaching behind it. Because the head sits below the hips for the whole set, stand up slowly at the end, and stop and rise if you feel lightheaded.

If the hinge is hard to hold, bend the knees more and turn through a smaller range, or switch to the Kneeling T-Spine Rotation Stretch or the Lying T-Spine Rotation Stretch, where the floor supports the body. To progress, pause for two or three slow breaths at the top of each turn, or move on to the World's Greatest Stretch.

Stop if you feel sharp or pinching pain in the back, pain or tingling that travels down a leg, or pain at the front of the shoulder. People with osteoporosis, a past vertebral fracture or a current disc problem should check with a doctor or physical therapist first, because the drill combines forward bending with twisting, a combination usually limited for these conditions.

Overview

Primary Focus: Back
Equipment: Body weight
Modality: Stretching
Difficulty: Beginner

Alternative Exercises

Frequently Asked Questions

Q: Should I feel this in my lower back?: No. You should feel the turn through the middle and upper back, the side of the trunk and the back of the top shoulder, plus a mild hamstring stretch from the hinge. If the lower back takes over, push the hips further back, bend the knees a little more and make the turn smaller.
Q: How many reps should I do?: In a warm-up, 6 to 10 slow reps per side is a typical dose, with a short pause and an exhale at the top of each turn. One or two sets is usually enough before training.
Q: Is this the same as a windmill?: Not quite. The Kettlebell Windmill is a loaded strength exercise in which you hinge sideways under a weight held overhead, while this drill starts with both hands hanging toward the floor and rotates the chest from side to side with no load. The bodyweight windmill toe touch, which reaches one hand across to the opposite foot from standing, is a close relative.
Q: Can I do it with tight hamstrings?: Yes. Bend the knees more and hinge only as far as you can keep the back long, since the goal is rotation rather than reaching the floor. If the hinge still strains the back of the legs, the Kneeling T-Spine Rotation Stretch trains the same turn from the hands and knees.
Q: When should I do it in a workout?: It fits best in the warm-up before training that involves rotation, throwing or overhead work. It also works as a short movement break after long periods of sitting.