What Muscles Do Donkey Kicks Work?

Donkey kicks—the quadruped exercise where you drive your heel toward the ceiling with a bent knee—work your gluteus maximus through isolated hip extension. This simple bodyweight movement targets your main glute muscle without requiring equipment, making it a popular exercise for building a stronger, more defined backside.

Quick Answer

Primary muscles: Gluteus maximus (very high)

Secondary muscles: Hamstrings, core stabilizers, gluteus medius (stability)

What makes it unique: Isolates hip extension in a stable position with minimal hamstring involvement, maximizing glute activation.

Complete Muscle Breakdown

Gluteus Maximus (Very High Activation)

The gluteus maximus is the star of donkey kicks:

Primary function: Hip extension (driving leg backward/upward)
Maximum isolation: Bent knee reduces hamstring contribution
Full activation: Works through the entire range
Peak contraction: At the top when hip is fully extended

The bent knee position is key—it shortens the hamstrings, forcing the glutes to do more work.

Why Bent Knee Matters

When your knee is bent at 90 degrees:

Hamstrings are shortened and can't contribute as much
Glutes must produce most of the hip extension force
This creates better glute isolation
Compare to straight-leg hip extension where hamstrings dominate

Hamstrings (Moderate Activation)

The hamstrings assist but don't dominate:

Contribute to hip extension: But limited by bent knee
Biceps femoris: Most active of the hamstring group
Supporting role: Not the primary mover
Less than straight-leg exercises: By design

Core Stabilizers (Moderate to High)

Your core maintains position throughout:

Anti-extension: Prevents back from arching
Anti-rotation: Keeps spine from twisting
Constant engagement: Must brace throughout
Critical for form: Core failure = form breakdown

Gluteus Medius (Stability Role)

The side glute helps stabilize:

Pelvic stability: Keeps hips level
Prevents rotation: Supports the working side
Not the target: But definitely contributing
Secondary activation: Throughout the movement

Proper Donkey Kick Technique

Setup

Start on all fours (quadruped position)
Hands directly under shoulders
Knees directly under hips
Spine neutral (flat back)
Core engaged from the start
Head neutral (gaze at floor)

The Movement

Keep working knee bent at 90 degrees
Drive heel toward ceiling
Extend at the hip (not the spine)
Squeeze glute hard at the top
Thigh reaches parallel to floor or slightly higher
Hold briefly (1-2 seconds)
Lower with control back to start
Repeat without touching knee down between reps

Key Cues

"Drive your heel to the ceiling"
"Squeeze your glute at the top"
"Keep your knee bent"
"Don't arch your back"
"Control the movement both ways"

Common Mistakes

Arching the Lower Back

Hip extension, not back extension:

Back should stay flat throughout
If back arches, you're going too high
Range of motion is limited by hip mobility
Core must stay engaged

Straightening the Knee

The 90-degree bend is intentional:

Straightening the knee activates more hamstring
Defeats the glute isolation purpose
Maintain bent knee throughout
Imagine keeping foot flat toward ceiling

Swinging/Using Momentum

Control the movement:

No swinging the leg
Deliberate lift and lower
2 seconds up, 2 seconds down
Feel the glute working

Lifting Too High

Higher isn't always better:

Stop when hip is fully extended
Going higher requires back arching
Quality over height
Full glute squeeze matters more than range

Not Squeezing at Top

The squeeze is where the magic happens:

Hard glute contraction at the top
Hold 1-2 seconds
This is peak muscle activation
Don't rush through it

Rotating the Hips

Hips should stay level and square:

Don't let working hip rotate outward
Maintain stable pelvis
Movement is straight back, not to the side

Programming Donkey Kicks

For Glute Activation (Pre-Workout)

Sets/reps: 2 sets of 15-20 reps per side
When: Before squats, deadlifts, or leg day
Purpose: Wake up the glutes
Resistance: Bodyweight

For Glute Development

Sets/reps: 3-4 sets of 15-20 reps per side
Resistance: Ankle weights, band, or cable
Tempo: Controlled with 2-second pause at top
Frequency: 2-3x per week

For High-Volume Burn

Sets/reps: 3 sets of 25-30 reps per side
Resistance: Bodyweight
Purpose: Metabolic stress and pump
Finisher: End of glute workout

For Rehabilitation

Sets/reps: 2-3 sets of 12-15 reps per side
Focus: Control and proper form
Resistance: Bodyweight initially
Frequency: Daily or as prescribed

Sample Glute Workout Integration

Home Glute Workout:

Glute bridges: 3x15
Donkey kicks: 3x15 each side
Fire hydrants: 3x15 each side
Clamshells: 3x15 each side
Bodyweight squats: 3x15

Gym Glute Workout:

Hip thrust: 4x10
Romanian deadlift: 3x10
Cable donkey kicks: 3x12 each side
Lateral band walks: 3x15 each direction

Donkey Kick Progressions

Level 1: Bodyweight Donkey Kick

No added resistance
Master form first
Build to 25+ reps per side

Level 2: Resistance Band Donkey Kick

Band around foot and anchored
Or band around both thighs
Increased resistance

Level 3: Ankle Weight Donkey Kick

Add 2-5 lb ankle weights
Progressive overload
Common progression

Level 4: Cable Donkey Kick

Ankle strap attached to low cable
Adjustable resistance
Gym variation

Level 5: Smith Machine Donkey Kick

Foot pressing against Smith bar
Heavy loading possible
Advanced variation

Level 6: Donkey Kick with Pulse

At top, small pulses
Extended time under tension
Intense burn
Finisher technique

Donkey Kick Variations

Standard Donkey Kick

90-degree knee bend throughout
Basic version
Foundation for progressions

Straight-Leg Donkey Kick

Leg extends straight back
More hamstring involvement
Different stimulus
Actually a different exercise

Donkey Kick to Fire Hydrant

Combine both movements
Extension + abduction
More comprehensive
Circuit-style

Donkey Kick Hold

Hold at top for 5-10 seconds
Isometric challenge
Great for glute endurance
Very challenging

Standing Donkey Kick (Cable)

Standing position at cable machine
Different stability demands
Gym variation
Can use heavier resistance

Donkey Kick on Bench

Hands on bench, knees on floor
Different angle
May feel different
Variation for comfort

Who Should Do Donkey Kicks?

Ideal For

Anyone wanting glute development
Those training at home (no equipment needed)
Beginners (easy to learn)
Pre-workout activation
Those who struggle to feel glutes in compounds

Great For

Glute isolation
High-rep burnouts
Active recovery
Travel workouts
Rehabilitation (when appropriate)

Limitations

Donkey kicks have their place but:

Can't load as heavy as hip thrusts
Eventually need progressive overload
Should be part of complete program
Not a replacement for compound movements

Use Caution If

You have wrist issues (modify hand position)
You have knee problems (pad the kneeling knee)
Movement causes back pain (check form first)

Donkey Kicks vs. Other Glute Exercises

| Exercise | Glute Max Focus | Load Potential | Difficulty | |----------|-----------------|----------------|------------| | Donkey Kick | Very High | Low-Moderate | Easy | | Hip Thrust | Maximum | Very High | Moderate | | Glute Bridge | High | Moderate | Easy | | Cable Kickback | High | Moderate | Easy | | Romanian Deadlift | Moderate-High | High | Moderate |

The Bottom Line

Donkey kicks work your gluteus maximus through hip extension in a stable quadruped position. The bent-knee technique reduces hamstring contribution, isolating the glutes more effectively than straight-leg exercises.

While donkey kicks won't build maximum glute strength like heavy hip thrusts, they're excellent for activation, high-rep work, and training at home without equipment. Include them as part of a complete glute program that also includes heavier, progressive movements.

Simple, effective, and requiring nothing but floor space—donkey kicks earn their place in glute training.

Build a stronger backside with targeted programs at FoundationalRehab.