Warm-Up & Mobility

Thread-the-Needle — Simple Cool-Down Guide

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By Borja Bes — CrossFit Athlete & Hyrox Finisher

Thread-the-needle is a hands-and-knees rotation that gently opens the upper back and back of the shoulder. The hips stay mostly over the knees while one arm reaches underneath the supporting arm. Use it after training at a gentle intensity, breathe slowly, and stop if the position causes sharp pain, tingling, or numbness.

Quick answer

Thread-the-Needle is best used when the workout goal matches its main demand: warm-up & mobility capacity, clean mechanics, and scalable intensity.

Muscles Worked

Thoracic spineRear shoulderUpper back

Equipment

None

Best For, Avoid If, and Scaling

Best forWarm-Up & Mobility WODs, skill practice, and athletes who can keep thread-the-needle mechanics consistent under fatigue.
Avoid ifPain changes your movement pattern, fatigue makes reps sloppy, or the workout asks for a standard you cannot repeat safely.
ScalingUse a smaller reach and keep the head off the floor.

How to Do the Thread-the-Needle

1

Begin on hands and knees.

2

Slide one arm palm-up beneath the other arm.

3

Lower that shoulder and side of the head toward the floor.

4

Breathe into the upper back, return through centre, and switch sides.

Common Mistakes

Shifting the hips far sideways to manufacture range.

Putting painful pressure directly on the neck.

Coaching Tips

Keep most of the rotation above the lower back.

Rest the head on a cushion if the floor feels distant.

Scaling Options

Easier / Beginner

Use a smaller reach and keep the head off the floor.

Harder / Advanced

Extend the top arm forward while holding the rotated position.

Related WODs

Use Thread-the-Needle in a Real Workout

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Movement Practice WOD

exercise wod

AMRAP 12

8 controlled reps

10 bodyweight reps

200m easy run or 60 sec cardio

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Technique + Conditioning

scaled workout

4 rounds for quality

10 technique reps

30 sec core hold

12 low-skill conditioning reps

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Frequently Asked Questions

How should Thread-the-Needle feel?

You should feel mild, steady tension and be able to breathe normally. Ease out immediately if you feel sharp pain, tingling, or numbness.

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