Upper Legs Exercise · Body Weight
Butterfly Yoga Pose
- Category
- Upper Legs
- Equipment
- Body Weight
- Target
- Adductors
Biomechanical cues verified by the PlanWorkouts Science Review Board under CSCS editorial oversight; see our editorial standards.
The Butterfly Yoga Pose is a targeted isolation upper legs movement designed to train the Adductors with direct engagement of the Groin.
Single-joint horizontal adduction isolating the sternal and clavicular pectoralis fibers without triceps tricep fatigue limiting set termination. Executing this with strict form maximizes muscle fiber recruitment while protecting joint structures.
Quick Exercise Facts
Target Muscle Activation
The butterfly stretch opens the hips and inner thighs by pressing the knees down and out, targeting the adductors in a passive, seated position rather than through active strength work. It's a staple in yoga and mobility routines because tight adductors quietly limit squat depth and hip rotation in almost every other lower-body lift. Letting the knees drop under their own weight works better than pressing down on them with the elbows.
How to Do the Butterfly Yoga Pose
- Sit on the floor with your legs extended in front of you.
- Bend your knees and bring the soles of your feet together, letting your knees fall out to the sides.
- Hold onto your ankles or feet with your hands.
- Sit up tall and lengthen your spine.
- Gently press your knees down toward the floor, feeling a stretch through your inner thighs.
- Hold this position for a few breaths.
- Release by slowly bringing your knees back up and extending your legs.
Recommended Sets & Reps by Training Goal
65–75% 1RM · 60s rest
50–60% 1RM · 30–45s rest
Controlled 3s eccentric · 60s rest
Biomechanical & Joint Load Cues
Single-joint horizontal adduction isolating the sternal and clavicular pectoralis fibers without triceps tricep fatigue limiting set termination.
Common Mechanical Mistakes & Form Errors to Avoid
- Bending Elbows into a Press: Excessively bending elbows into 90 degrees during flyes turns the movement into a press, recruiting triceps instead of isolating pectorals.
- Overstretching the Shoulder Capsule: Dropping arms too far behind the torso plane strains the anterior capsule without adding meaningful pec activation.
- Rushing the Converging Squeeze: Failing to pause briefly at peak contraction in front of the chest misses the maximal short-muscle fiber recruitment.
Proper Breathing Patterns & Core Engagement
Inhale as arms open into full chest stretch; exhale as hands converge in front of the chest.
Add the Butterfly Yoga Pose to Your Custom Workout Routine
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Injury Modification & Joint Safety
Do not overstretch past comfortable range in the bottom position if you have a history of anterior shoulder subluxation or AC joint sprain. If joint irritation persists, immediately stop and substitute this movement with another exercise from the Upper Legs exercises category.
Muscles Worked
The Butterfly Yoga Pose primarily targets the Adductors, with Hamstrings as the primary synergist muscle group, along with the Groin.
More Upper Legs Exercises
All Fours Squad Stretch
Arms Apart Circular Toe Touch (male)
Assisted Lying Glutes Stretch
Assisted Lying Gluteus And Piriformis Stretch
Assisted Prone Hamstring
Assisted Prone Lying Quads Stretch
More Adductors Exercises
Assisted Side Lying Adductor Stretch
Cable Hip Adduction
Lever Seated Hip Adduction
Side Lying Hip Adduction (male)
Side Plank Hip Adduction
Equipment Alternatives
Don't have body weight? These target the same adductors with different equipment.
FAQ
- What muscles does the Butterfly Yoga Pose work?
- The Butterfly Yoga Pose primarily targets the adductors as the primary agonist. Synergist assistance is provided by the hamstrings along with the groin. Maintaining strict biomechanical alignment ensures maximal tension remains focused on the intended muscle fibers rather than shifting to surrounding stabilizer joints.
- What equipment do I need for the Butterfly Yoga Pose?
- The Butterfly Yoga Pose is performed using no equipment — just body weight. Ensure all equipment is securely positioned with collars or safety pins locked before loading working sets. If you train in a home gym or minimal setup, explore our equipment-free and resistance band alternatives below.
- What is the most common form mistake on the Butterfly Yoga Pose?
- The most frequent error is bending elbows into a press: Excessively bending elbows into 90 degrees during flyes turns the movement into a press, recruiting triceps instead of isolating pectorals.. Controlling the 2 to 3-second eccentric lowering phase ensures maximal hypertrophic stimulus while shielding connective tissue.
- How many sets and reps should I perform on the Butterfly Yoga Pose?
- For muscle growth and density, execute 3 to 4 working sets of 10 to 15 controlled repetitions with 60 seconds rest, emphasizing a deep stretch and deliberate peak contraction on every rep.
- What's a good alternative to the Butterfly Yoga Pose?
- If you don't have access to the space or setup it needs, the Assisted Side Lying Adductor Stretch targets the same adductors using assisted instead. This alternative replicates the same joint angle and movement plane while allowing you to train effectively with different available gear. You can also substitute it seamlessly in our free Workout Plan Builder.