Primary
Hamstrings
Secondary
Glutes, Core, Hip Flexors
Equipment
Bodyweight
Difficulty
Intermediate
Type
Hinge
See how 90-90 Hip Hinge could fit a workout
The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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This page is not medical advice or a rehabilitation protocol. Ely's personal review applies to purchased workout plans and does not replace an in-person assessment by a licensed healthcare professional.
The 90-90 hip hinge starts in the 90-90 hip position—one leg bent 90 degrees in front of you, the other 90 degrees behind—then hinges forward over the front leg to stretch the front hamstring under load. This combines hip mobility work with hamstring stretching in a unique ground-based position that also opens the hips.
When to use it
Use for warm-up, mobility work, or active recovery.
Who it's for
Those seeking hip mobility and hamstring flexibility.
Set up in the 90-90 position with your front shin perpendicular to your body. Hinge forward from your hips, not your spine, reaching your chest toward your front shin. Feel the stretch in your front leg hamstring. Return upright and repeat before switching sides.
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Sit with one leg bent 90 degrees in front, other 90 degrees behind.
Keep front shin perpendicular to your body line.
Stack torso tall with core engaged.
Hinge forward from hips keeping spine neutral.
Feel stretch through front leg hamstring.
Return to upright position with control.
Maintain neutral spine throughout the hinge.
Focus on feeling stretch in front leg hamstring.
Keep back leg position stable during movement.
Use hands on floor for balance if needed.
Program 90-90 hip hinges for warm-up, mobility work, or active recovery sessions. They combine hip mobility with hamstring flexibility in one movement. Use them for moderate reps per side. They pair well with standing hip hinge movements.
Rounding the spine instead of hinging at hips.
Changing your back position during the 90-90 Hip Hinge can alter the movement and make the load harder to control. Brace your midsection and keep the torso position called for by the exercise.
Losing the 90-90 leg position during movement.
Hip hinge movements like the 90-90 Hip Hinge depend on a consistent hip path. Keep the load controlled, maintain your brace, and let your Hamstrings guide the movement.
Not engaging core before initiating hinge.
Losing your brace during the 90-90 Hip Hinge can make the rest of your position less stable. Tighten your midsection before the rep and maintain steady tension while the load moves.
Rushing through the movement pattern.
Rushing through the 90-90 Hip Hinge makes it easier to lose position and harder to keep tension on your Hamstrings. Slow down enough to control both the lifting and lowering portions of each rep.
Those seeking hip mobility and hamstring flexibility.
These ranges illustrate ways to organize training. They are not an individual prescription. Adjust them for the exercise, your experience, and the rest of your program.
Heavier loads can be useful for developing maximum strength. The range shown is an example, and the load must match your current technique and capacity.
Muscle growth can occur across different loads and repetition ranges. This example is not a uniquely effective zone; your overall program and effort also matter.
This is an example of a longer set. A repetition target alone does not establish joint safety or whether the exercise is appropriate for you.
Example: 3 sets of 10-12 reps per side. Rest 45 seconds.
Background for resistance exercises: the 2026 ACSM position stand covers healthy adults, and a load-comparison review found similar muscle growth across loads in studies using sets taken to muscular failure. These findings do not validate every exercise-specific range shown here or require training to failure.
This is one example of how 90-90 Hip Hinge could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
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Frequently Asked Questions About the 90-90 Hip Hinge
The 90-90 Hip Hinge primarily targets the Hamstrings, making it an effective exercise for hamstrings development. Secondary muscles worked during the 90-90 Hip Hinge include Gluteus maximus, Hip flexors, providing additional training stimulus. Stabilizer muscles engaged include Core, Hip rotators.
Our library labels 90-90 Hip Hinge as intermediate. That category is not an individual assessment. Review the setup, movement instructions, and safety notes, and seek qualified guidance if you are unsure how to perform it.
The programming section shows examples for 90-90 Hip Hinge. The appropriate amount depends on your current ability, the exercise, and your other training. The listed ranges are not an individual prescription or a guarantee of a particular outcome.
The main equipment listed for 90-90 Hip Hinge is no equipment. Check the instructions for any additional support, anchor, bench, rack, or clear space needed. The equipment label alone does not confirm that your home setup is suitable.
Good alternatives to the 90-90 Hip Hinge include: Seated Good Morning, Bodyweight Good Morning, Single Leg RDL. These exercises target similar muscle groups as the 90-90 Hip Hinge and can be used as substitutes based on your equipment availability, gym setup, or training preferences.