Dumbbell RDL
The accessible hamstring builder — perfect for home gyms and learning the hip hinge pattern
⚡ Quick Reference
| Aspect | Details |
|---|---|
| Pattern | Hinge |
| Primary Muscles | Hamstrings, Glutes |
| Secondary Muscles | Erector Spinae, Lats |
| Equipment | Dumbbells |
| Difficulty | ⭐ Beginner |
| Priority | 🟠 Common |
Movement Summary
🎯 Setup
Starting Position
- Grip: Hold dumbbells with neutral grip (palms facing thighs)
- Stance: Feet hip-width apart, slight knee bend
- Posture: Standing tall, chest up, shoulders back
- Weight position: Dumbbells at sides or in front of thighs
- Core: Braced and ready
Equipment Setup
| Equipment | Setting | Notes |
|---|---|---|
| Dumbbell weight | Start light | Focus on form first |
| Grip | Neutral (palms in) | Most comfortable |
| Starting position | Standing | Dumbbells at thighs |
Dumbbells allow natural hand positioning and are less intimidating than a barbell for learning the hip hinge.
🔄 Execution
The Movement
- ⬇️ Hinging Down
- ⏸️ Bottom Position
- ⬆️ Standing Up
- 🔝 Top Position
What's happening: Hip hinge with hamstring stretch
- Take a deep breath, brace core
- Push hips back - this is the key movement
- Let dumbbells travel down thighs naturally
- Slight knee bend (soft knees, not locked)
- Stop when you feel hamstring stretch (mid-shin typically)
Tempo: 2-3 seconds controlled
Feel: Stretch in hamstrings, tension in glutes
Common error: Squatting down instead of hinging back
What's happening: Maximum stretch under tension
- Dumbbells around mid-shin to knee height
- Hamstrings stretched but not painful
- Back flat, chest facing forward
- Weight in heels and mid-foot
- Brief pause or immediate reversal
Don't: Round lower back or go past your flexibility
What's happening: Hip extension to standing
- Drive hips forward - lead with hips, not shoulders
- Squeeze glutes at top
- Stand tall to full extension
- Dumbbells return to starting position at thighs
- Maintain core tension throughout
Tempo: 1-2 seconds
Feel: Glutes and hamstrings contracting hard
What's happening: Full lockout
- Standing completely upright
- Hips fully extended
- Glutes squeezed
- Don't lean back
- Reset breath for next rep
Key Cues
- "Push your hips back to the wall behind you" — initiates proper hinge
- "Proud chest" — keeps back flat
- "Feel the stretch in your hamstrings" — ensures proper depth
Tempo Guide
| Goal | Tempo | Example |
|---|---|---|
| Hypertrophy | 3-1-2-1 | 3s down, 1s pause, 2s up, 1s squeeze |
| Strength | 2-0-1-1 | Controlled eccentric, powerful concentric |
| Endurance | 2-0-2-0 | Continuous tension |
💪 Muscles Worked
Activation Overview
Primary Movers
| Muscle | Action | Activation |
|---|---|---|
| Hamstrings | Hip extension, eccentric control | █████████░ 85% |
| Glutes | Hip extension | ████████░░ 80% |
Secondary Muscles
| Muscle | Action | Activation |
|---|---|---|
| Erector Spinae | Maintain neutral spine | ███████░░░ 65% |
| Lats | Keep dumbbells close | █████░░░░░ 50% |
Stabilizers
| Muscle | Role |
|---|---|
| Core | Torso stability |
| Forearms | Gripping dumbbells |
RDL is one of the best hamstring exercises because it emphasizes the eccentric (lengthening) phase where hamstrings grow best.
⚠️ Common Mistakes
| Mistake | What Happens | Why It's Bad | Fix |
|---|---|---|---|
| Squatting instead of hinging | Knees travel forward | Becomes quad exercise | Push hips back, minimal knee bend |
| Rounding lower back | Spine flexion | Injury risk | Lighter weight, cue "proud chest" |
| Going too deep | Loss of neutral spine | Back strain | Stop at hamstring flexibility limit |
| Not feeling hamstrings | Using back instead | Ineffective targeting | Focus on hip push-back |
| Dumbbells too far forward | Weight pulls you | Back strain | Keep DBs close to legs |
Most common error: Going too deep and rounding the back. Only go as far as your hamstring flexibility allows while maintaining a flat back.
Self-Check Checklist
- Hip pushes back, not down
- Knees stay mostly stationary (soft but not moving forward)
- Back stays flat throughout
- Feeling stretch in hamstrings, not pulling in back
- Dumbbells travel close to legs
🔀 Variations
By Equipment
- Dumbbell (Standard)
- Barbell
- Kettlebell
| Feature | Benefit |
|---|---|
| Accessibility | Most gyms have dumbbells |
| Natural grip | Neutral grip is comfortable |
| Learning | Great for beginners |
| Feature | Benefit |
|---|---|
| Load | Can lift heavier |
| Progression | Better for strength focus |
| Feature | Benefit |
|---|---|
| Grip | Different feel |
| Home gym | Common equipment |
Link: Kettlebell RDL
By Stance
| Variation | Change | Purpose | Link |
|---|---|---|---|
| Single-Leg RDL | One leg at a time | Balance, unilateral strength | Single-Leg RDL |
| Staggered Stance | One foot slightly back | Transition to single-leg | B-Stance RDL |
| Bilateral (standard) | Both feet down | Maximum load | Current exercise |
Training Variations
| Variation | Modification | Goal |
|---|---|---|
| Tempo RDL | 4-5s eccentric | Hypertrophy, control |
| Pause RDL | 2s pause at bottom | Stretch emphasis |
| 1.5 Rep RDL | Full + half rep | Extended time under tension |
📊 Programming
Rep Ranges by Goal
| Goal | Sets | Reps | Rest | Load | RIR |
|---|---|---|---|---|---|
| Strength | 3-4 | 6-8 | 2-3 min | Heavy | 2-3 |
| Hypertrophy | 3-4 | 10-15 | 60-90s | Moderate | 2-3 |
| Endurance | 2-3 | 15-20+ | 45-60s | Light | 3-4 |
Workout Placement
| Program Type | Placement | Rationale |
|---|---|---|
| Leg day | After squats/main lift | Hamstring focus |
| Upper/Lower | Lower day, middle | Posterior chain work |
| Full-body | Middle of workout | Not as taxing as deadlift |
| Home workout | Main hinge movement | With limited equipment |
Weekly Frequency
| Training Level | Frequency | Volume |
|---|---|---|
| Beginner | 2x/week | 3 sets |
| Intermediate | 2-3x/week | 3-4 sets |
| Advanced | 2-3x/week | Varied sets/loads |
Sample Progression
Start with dumbbells you can control for 12-15 reps with perfect form. Progress weight when you can complete all sets with 2-3 RIR.
🔄 Alternatives & Progressions
Exercise Progression Path
Regressions (Easier)
| Exercise | When to Use | Link |
|---|---|---|
| Bodyweight Hip Hinge | Learning the pattern | |
| Kettlebell RDL (Single) | Even lighter load | ✓ |
| Glute Bridge | Back issues | ✓ |
Progressions (Harder)
| Exercise | When Ready | Link |
|---|---|---|
| Barbell RDL | Can handle more weight | ✓ |
| Single-Leg RDL | Balance and unilateral | ✓ |
| Deficit RDL | Need more ROM |
Alternatives (Same Muscle Group)
- Similar Pattern
- Machine Options
| Alternative | Difference |
|---|---|
| Romanian Deadlift (Barbell) | More weight capacity |
| Good Morning | Bar on back |
| Stiff-Leg Deadlift | Even less knee bend |
| Alternative | Benefit |
|---|---|
| Lying Leg Curl | Isolated hamstrings |
| Seated Leg Curl | Easier to load |
🛡️ Safety & Contraindications
Who Should Be Careful
| Condition | Risk | Modification |
|---|---|---|
| Low back pain | Aggravation if form breaks | Very light weight, focus on form |
| Hamstring strain (recovering) | Re-injury | Start very light, limited ROM |
| Poor hip mobility | Can't maintain neutral spine | Work on flexibility first |
- Sharp pain in lower back
- Hamstring pain (not stretch, but pain)
- Can't maintain flat back despite form focus
Injury Prevention
| Strategy | Implementation |
|---|---|
| Start light | Master form before adding weight |
| Respect flexibility | Don't force depth beyond your ROM |
| Gradual progression | Add 5lbs at a time |
| Warmup properly | Dynamic leg swings, light sets |
🦴 Joints Involved
| Joint | Action | ROM Required | Stress Level |
|---|---|---|---|
| Hip | Flexion/Extension | 70-90° flexion | 🟡 Moderate |
| Spine | Neutral stability | Minimal movement | 🟡 Moderate |
| Knee | Slight flexion hold | 10-20° bend | 🟢 Low |
Mobility Requirements
| Joint | Minimum ROM | Test | If Limited |
|---|---|---|---|
| Hip | 70° flexion with neutral spine | Toe touch with slight knee bend | Hamstring stretches, reduce ROM |
| Hamstring flexibility | Moderate | Sit and reach test | Shorten ROM, work on flexibility |
❓ Common Questions
What's the difference between RDL and regular deadlift?
RDL starts from the top (standing), focuses on hamstrings, uses less weight, and doesn't touch the floor. Regular deadlift starts from floor, uses more weight, and is more of a full-body movement.
How low should I go?
Go as low as you can while maintaining a flat back. For most people, this is mid-shin to just below knee. Stop when you feel a good hamstring stretch - don't force it deeper.
Should I feel this in my hamstrings or back?
Primarily hamstrings. You'll feel some back work (erector spinae), but if your back is burning more than hamstrings, you're likely using too much back and not enough hip hinge.
Can I do this every leg day?
Yes, 2-3x per week is fine. It's not as systemically taxing as heavy deadlifts, making it suitable for frequent training.
📚 Sources
Biomechanics:
- NSCA Essentials of Strength Training - Tier A
- ExRx.net Exercise Analysis - Tier C
Hamstring Development:
- Schoenfeld, B.J. Hamstring Training Analysis - Tier B
- Renaissance Periodization - Tier B
When to recommend this exercise:
- Beginner learning hip hinge pattern
- User has dumbbells available (home gym)
- User wants to build hamstrings without heavy barbell
- User recovering from back injury (with lighter weights)
- User needs hamstring work but lacks barbell access
Who should NOT do this exercise:
- Acute hamstring strain → Wait until healed
- Acute low back injury → Suggest Glute Bridge
- No equipment → Suggest Bodyweight Single-Leg RDL
Key coaching cues to emphasize:
- "Push your hips back to the wall behind you"
- "Feel the stretch in your hamstrings, not pull in your back"
- "Keep your chest proud and back flat"
Common issues to watch for in user feedback:
- "I don't feel it in hamstrings" → Check if squatting vs hinging
- "My back hurts" → Reduce weight, check form, may be rounding
- "How low should I go?" → As low as flat back allows
Programming guidance:
- Pair with: Squats, quad work, upper body exercises
- Avoid same day as: Heavy deadlifts (redundant posterior chain work)
- Typical frequency: 2-3x per week
Progression signals:
- Ready for barbell when: Mastered DB form, need heavier loads than DBs allow
- Ready for single-leg when: Strong bilateral foundation, good balance
Last updated: December 2024