90-90 Hip Hinge
Primary
Hamstrings
Secondary
Glutes, Core, Hip Flexors
Equipment
Bodyweight
Difficulty
Intermediate
Type
Hinge
NASM-CPT, CSCS certified trainers. Every guide is built from peer-reviewed research and real coaching experience.
Use for warm-up, mobility work, or active recovery. The 90-90 Hip Hinge — a compound hip hinge movement — is one of the most effective ways to train your hamstrings, with secondary work on your Gluteus maximus and Hip flexors.
Everything You Need to Know About the 90-90 Hip Hinge
The 90-90 Hip Hinge is a intermediate difficulty exercise that targets your Hamstrings. It's a popular choice for building strength and muscle in these areas. When should you use it? Use for warm-up, mobility work, or active recovery. This timing makes the most of your workout and helps you get better results. Who is this for? Those seeking hip mobility and hamstring flexibility. Whether you're just starting out or working toward a specific goal, this exercise fits into your routine.
Muscles worked: 90-90 Hip Hinge
Primary
Secondary
Stabilizers
90-90 Hip Hinge form guide
- 1
Sit with one leg bent 90 degrees in front, other 90 degrees behind.
- 2
Keep front shin perpendicular to your body line.
- 3
Stack torso tall with core engaged.
- 4
Hinge forward from hips keeping spine neutral.
- 5
Feel stretch through front leg hamstring.
- 6
Return to upright position with control.
What are the best tips for the 90-90 Hip Hinge?
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.
What are common 90-90 Hip Hinge mistakes to avoid?
Rounding the spine instead of hinging at hips.
A compromised back position during the 90-90 Hip Hinge puts your spine under unnecessary shear force. Brace your core and maintain a neutral spine throughout the movement.
Losing the 90-90 leg position during movement.
Hip hinge movements like the 90-90 Hip Hinge demand precise mechanics. This mistake puts your lower back in a vulnerable position. Drive through your hips and let your Hamstrings control the movement.
Not engaging core before initiating hinge.
Without core engagement during the 90-90 Hip Hinge, your spine loses its protective brace. Think about tightening your midsection as if someone were about to push you — maintain that tension through every rep.
Rushing through the movement pattern.
Rushing through the 90-90 Hip Hinge reduces the time your Hamstrings spends under tension — which is one of the main drivers of growth. Aim for a controlled 2-second lowering phase on every rep.
Is the 90-90 Hip Hinge right for you?
Those seeking hip mobility and hamstring flexibility.
How to Program the 90-90 Hip Hinge
Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.
This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.
Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.
General guideline: 3 sets of 10-12 reps per side. Rest 45 seconds.
What are good alternatives to the 90-90 Hip Hinge?
Seated Good Morning
Bodyweight Good Morning
Single Leg RDL
Other Variations
- Weighted 90-90 Hinge
- Elevated 90-90 Hinge
- 90-90 Hinge With Reach
This Exercise Is in Your Plan
MySetPlan picks the right exercises for your goals — like the 90-90 Hip Hinge — and builds them into a monthly program. Every set, every rep, planned out.
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Safety Notes
- Work within your available range of motion.
- Use padding under knees if needed.