Side Lunge (Barbell)
The Barbell Side Lunge is a lateral strength exercise that targets the quadriceps, glutes, and adductors while improving hip mobility. By shifting weight side-to-side with a barbell across the upper back, it builds leg strength in the frontal plane and challenges core stability.
Iridium tracks adductor fatigue separately from general quadriceps volume for this exercise to ensure the distinct lateral stress doesn't interfere with your recovery for primary squats or deadlifts. Since the barbell placement creates axial loading, the AI also reviews the recovery status of your spinal erectors before assigning high-intensity sets.
Form Cues
- Place the barbell securely across your upper traps
- Step out wide laterally while keeping your trailing leg straight
- Push your hips back and down as you bend the stepping knee
- Keep your chest upright and spine neutral throughout the movement
- Drive firmly through your whole foot to return to the starting position
- Don't let the heel of your stepping foot lift off the floor
- Don't allow your spine to round forward as you descend
- Don't bend the knee of the stationary trailing leg
- Don't let your knee collapse inward past your big toe
- Don't take a step so narrow that your knee travels excessively forward
Common Mistakes
- Bending the trailing leg
- Rounding the upper back
- Lifting the heel of the working leg
- Stepping too narrow
- Allowing the knee to cave inward
Muscles Worked
This exercise primarily strengthens the quadriceps and glutes of the working leg while actively stretching and strengthening the adductors (inner thigh) of the straight leg. The placement of the barbell on the upper back also recruits the spinal erectors and core muscles to maintain an upright torso against the lateral shift in gravity.
Primary
Secondary
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