Knees-to-Chest
Lie on your back, draw both knees toward your chest, and hug them in to gently release the lower back and hip flexors.
Overview
Knees-to-Chest is a beginner supine back release on Flexor that draws both knees toward the chest while lying on the back to gently flex the lumbar spine.
What Knees-to-Chest targets
You'll feel a gentle release through the lower back and a mild stretch through the hips and glutes. Keep the hold relaxed rather than forceful.
Why add Knees-to-Chest to your routine
Offers a simple floor position to ease lower-back tension and hip stiffness.
- The supine setup lets gravity assist the stretch without loading the spine.
- Easy to hold for several breaths as a calming reset.
- Pairs well with other floor stretches in a recovery or bedtime routine.
Who it's for
Anyone with lower-back stiffness or tight hips after sitting, travel, or training.
When to do it
Use in a cool-down, recovery session, or before bed when the lower back needs gentle relief.
Knees-to-chest is a supine position that passively rounds the lumbar spine and opens the hips by drawing both knees toward the torso. Let the head and neck relax and breathe into the lower back.
Setup cue
Lie on your back with legs extended and arms by your sides. Bend both knees and draw them toward your chest—keep it smooth.
Practice notes
In Flexor, Knees-to-Chest is typically prescribed as about 1 min per round, 1 rep, and 1 set. Adjust the dosage to what feels sustainable, breathe steadily, and ease off if anything feels sharp or unsafe.
Guidance
How to perform, tips, mistakes, safety notes, and benefits for Knees-to-Chest.
Follow these cues in order. Move with control and stay in a comfortable range.
- Lie on your back with legs extended and arms by your sides.
- Bend both knees and draw them toward your chest—keep it smooth.
- Wrap your arms around your shins and hug the knees in, breathing deeply.
Cues that help the movement stay smoother and more controlled.
- Let your head and neck relax on the floor.
- Keep your lower back gently pressing into the mat.
Patterns to watch for so the shape stays clearer.
- Rushing the movement or chasing range instead of staying controlled.
- Letting the lower back arch or the shoulders shrug up toward the ears.
- Holding your breath—use steady breathing to keep tension down.
Keep things comfortable and stop if something feels wrong.
- Stop if you feel sharp pain, numbness, tingling, dizziness, or symptoms that radiate.
- Stay within a comfortable range—aim for mild tension, not pain.
- Move with control; avoid bouncing or jerking into end range.
Why people include this movement in their practice.
- Gently decompresses the lower back by passively flexing the lumbar spine.
- Releases tension through the hip flexors and glutes after prolonged sitting.
- A calming floor position suitable for warm-ups, cool-downs, or bedtime routines.
Similar movements to explore next
-
Cross Leg Fold
Cross one ankle over the other and hinge forward to stretch the hips, hamstrings, and back.
-
Wide Leg Torso Circles
Circle the torso from a wide stance with hands on the hips to loosen the hips, hamstrings, and lower back.
-
Good Mornings
Stand with hands behind your head and hinge forward at the hips, sending the hips back with a long spine.
-
Forward Fold
Stand and hinge forward from the hips, letting the head and arms hang to stretch the hamstrings and lower back.
-
Half Wheel
Lie on your back and press up into a partial wheel or bridge to extend the spine and open the chest.
-
Legs Up the Wall
Lie on your back with both legs supported vertically by a wall for a calm, low-effort resting position through the hips and legs.
-
Air Squats
Bodyweight squats to rehearse hip and ankle depth, glute drive, and upright trunk control.
-
Baby Cobra
Small prone chest lift driven by the upper back to gently extend the thoracic spine.
Common questions
Which body areas does Knees-to-Chest target?
Knees-to-Chest is a recovery movement that mainly targets your lower back, hips, and hamstrings. Move within a comfortable range and skip it if it does not feel suitable for you.
Which muscles does Knees-to-Chest work?
Primary muscles associated with Knees-to-Chest include gluteus maximus and erector spinae. Flexor presents this as general wellness guidance, not a clinical assessment.
Is Knees-to-Chest suitable for beginners?
Knees-to-Chest is listed as beginner in Flexor. Choose a smaller range of motion, fewer repetitions, or an easier variation whenever you want more control.
How long should you hold Knees-to-Chest?
In Flexor, Knees-to-Chest runs for about 1 min per round. Adjust the time to what feels sustainable, breathe steadily, and ease off sooner if anything feels sharp.
How do you do Knees-to-Chest?
Knees-to-Chest has 3 guided steps. Follow them in order on this page, breathe steadily, and keep the movement smooth and within a comfortable range. Stop if anything feels sharp, unstable, or unsafe for you.
Do you need any equipment for Knees-to-Chest?
No. Knees-to-Chest is a no-equipment movement you can do at home with just enough space to move comfortably.
Which Flexor routines include Knees-to-Chest?
Knees-to-Chest appears in guided Flexor sessions such as Drift to Sleep, Lower-Back Comfort Reset, Spine-Friendly Mobility, and Hip-to-Back Comfort. Open a routine page to follow the full sequence, or practise this movement on its own from this guide.
Is this medical advice?
No. Flexor provides general fitness and wellness guidance. It does not diagnose, treat, or prevent medical conditions. Speak with a qualified professional about injuries, persistent pain, or health concerns.