UPDATED: MAY 2026
Most people think planks are simply about holding still for as long as possible.
But over the years, I’ve found that’s often the exact reason people struggle with them.
They focus on time instead of tension. Endurance instead of positioning. Surviving instead of actually training proper movement and stability.
And when that happens, planks can start reinforcing poor movement patterns rather than improving them.
When I first started learning kettlebells years ago, I had the opportunity to learn from some incredible instructors through the RKC and HKC systems. One cue that stuck with me all these years later was simple:
“Don’t drop the change.”
The idea was to imagine you’re holding a “quarter between your cheeks” during a plank, gently squeezing your glutes to help position the hips correctly, stabilize the pelvis, and activate the abdominal muscles more effectively.
Simple.
Memorable.
But incredibly effective.
That cue completely changed how I viewed planks. I topped looking at them as just a “core exercise” and started seeing them as a full-body stability and movement exercise.
Because a perfect plank is not just about your abs.
It’s about:
- spinal positioning
- muscle recruitment
- breathing
- and teaching your body how to stabilize correctly
At Premiere Spine and Sport, one of the biggest things we emphasize is movement quality. The way your body stabilizes during a plank often carries over into how you move during workouts, sports, lifting, and everyday life.
And when you learn how to do a plank correctly, the benefits extend far beyond the exercise itself.
What Is a Perfect Plank?
A perfect plank keeps your spine in a neutral position while properly engaging your core, glutes, shoulders, and legs.
Your body should form a relatively straight line from your head to your heels without:
- excessive arching through the lower back
- lifting your hips too high
- collapsing through your shoulders
- straining your neck
One of the biggest misconceptions I see is people thinking the plank is just an abdominal exercise.
It’s really a total-body stabilization exercise.
And when done correctly, it teaches your body how to create strength and control through proper alignment.
Neck Reach or “Bobbing For Apples”:
This is usually the first visible sign someone is struggling with a plank and push up. By doing this poor movement pattern you are making the upper traps and neck muscles strain. This generally leads to upper back pain, neck pain and even constant headaches.
Why Proper Plank Form Matters
One of the biggest things I’ve learned working with patients and athletes over the years is that your body learns whatever movement patterns you repeatedly give it, whether those patterns are good or bad.
That’s especially true with planks.
If you consistently perform planks with poor positioning:
- your body adapts to those compensations
- the wrong muscles begin taking over
- stress shifts into the lower back or shoulders
- and dysfunctional movement patterns become reinforced
I see this all the time.
Someone can hold a plank for several minutes, but the entire position is being supported by passive structures and compensations instead of proper muscular engagement.
Longer is not always better.
Quality matters far more.
When performed correctly, planks help improve spinal stability, posture, movement efficiency, and total-body control.
And those improvements transfer into nearly every other movement you perform.
How to Do a Perfect Plank
Step 1: Position Your Elbows Under Your Shoulders
Start on the floor with your forearms down and your elbows positioned directly beneath your shoulders.
This creates a stable foundation and helps reduce unnecessary strain through the shoulders and neck.
One thing I commonly see is people drifting too far forward or backward without realizing it. Even small positioning changes can affect how the entire exercise feels.
Step 2: Create a Neutral Spine
Your body should maintain a relatively straight line from head to heels throughout the exercise.
Avoid excessive arching, rounding, or lifting the hips too high, as these compensations reduce proper core activation and place additional stress on the back and spine.
One of the easiest ways to check this is using a stick, dowel, or PVC pipe along your back. Ideally, it should maintain contact with:
- the back of your head
- upper back
- tailbone
Dr. Brink uses this method often as people don’t realize when positioning changes once fatigue sets in. This provides immediate feedback about your positioning and helps reinforce better body awareness.
Step 3: Engage Your Glutes
This is one of the most overlooked parts of a proper plank.
A light glute squeeze helps stabilize the pelvis and supports a more neutral spinal position.
One of the most common mistakes I see is people trying to “brace harder” through their abs while completely forgetting about their glutes.
Without glute engagement, the lower back often takes over.
Step 4: Tighten Your Core
Think about gently bracing your core as if preparing for someone to lightly tap your stomach.
You want stability and tension without holding your breath.
Think:
- controlled
- connected
- stable
Not rigid and strained.
Step 5: Activate Your Legs
Your legs play a much bigger role in planks than you might realize.
Engage your quads and lightly push your heels backward.
This helps create full-body tension and improves overall stability throughout the chain.
Again, this is why I don’t think of planks as “ab exercises.” They’re a full-body coordination exercise.
Step 6: Keep Your Neck Neutral
Your neck should remain aligned with the rest of your spine.
Avoid:
- cranking your head upward
- dropping your chin excessively
- looking too far forward
A simple cue I often use:
Look slightly ahead of your hands while keeping the back of your neck long.
Step 7: Breathe Normally
One of the fastest ways to lose positioning during a plank is holding your breath.
Proper breathing helps maintain:
- core control
- rib positioning
- muscular coordination
- movement efficiency
If your breathing becomes uncontrolled, your form usually starts deteriorating shortly afterward.
7 Common Plank Mistakes
1. Arching the Lower Back
This is probably the most common issue I see.
Usually it happens because:
- the core isn’t properly engaged
- the glutes are inactive
- fatigue sets in
- or simply trying to hold the plank too long
Instead of training stability, the stress shifts directly into the lumbar spine.
If you mainly feel planks in your lower back, this is likely happening.
2. Lifting the Hips Too High
A lot of people unintentionally turn the plank into more of a pike position.
While this often feels easier, it reduces proper core loading and changes the mechanics of the exercise.
A slight natural elevation is normal, but excessive hip lift usually means you’ve lost proper alignment.
3. Collapsing Through the Shoulders
Your shoulders should remain active and stable throughout the movement.
Gently “push the floor away” instead of sinking between the shoulder blades.
This helps create better shoulder stability and upper-body engagement.
4. Holding the Plank Too Long
People become focused on chasing longer and longer holds even after their positioning starts falling apart.
A high-quality 20–30 second plank is far more beneficial than a sloppy 2-minute hold.
Because once your form breaks down, your body starts practicing compensation instead of stability.
5. Forgetting to Breathe
Holding your breath creates unnecessary tension and usually causes movement quality to decline.
Good breathing helps maintain better control and coordination throughout the exercise.
6. Dropping the Head or Reaching With Your Neck
Your neck is part of your spine.
When the head drops or you find yourself “reaching” with your neck, it creates unnecessary tension through the neck and upper back. Alignment throughout the rest of the body changes too.
Small adjustments here can make a big difference.
7. Treating the Plank as Just an Ab Exercise
This may be the biggest mistake overall.
A proper plank should involve:
- your core
- glutes
- shoulders
- legs
- posture
- breathing
- spinal positioning
Everything works together.
That’s what makes the exercise so valuable when performed correctly.
Why Planks Hurt Your Lower Back
A properly performed plank should challenge your muscles. It should not create sharp or excessive lower back pain.
When people tell me planks hurt their back, it’s usually due to:
- excessive spinal arching
- poor pelvic control
- lack of glute engagement
- insufficient core activation
- fatigue
- or holding the position too long
Sometimes the exercise itself isn’t the problem.
The setup is.
One of the biggest improvements people notice is when they shorten the duration and focus entirely on alignment and quality instead.
How Long Should You Hold a Plank?
For most people, quality matters far more than duration.
A properly executed 20-second plank, 30-second plank, or several shorter quality repetitions can be far more beneficial than excessively long holds with poor mechanics.
Focus on:
- consistent alignment
- controlled breathing
- proper engagement
- and good positioning
And once your form begins to fail, the set should end.
Beginner Plank Modifications
If a full forearm plank feels too difficult initially, that’s completely okay.
Start with:
- shorter holds
- elevated planks
- knee planks
- controlled repetitions
One of the biggest mistakes beginners make is progressing too quickly before learning proper positioning.
Build the movement pattern first.
Then build endurance.
Final Thoughts
The perfect plank is not about surviving the longest. It’s about teaching your body how to stabilize efficiently and move well.
When performed correctly, planks can help improve:
- core strength
- spinal stability
- posture
- movement efficiency
- athletic performance
- body awareness
But quality always comes first.
Focus on:
- alignment
- breathing
- muscle engagement
- and controlled movement
And remember:
“Don’t drop the change.”
Sometimes the simplest cues are the ones that stick with you the longest.
Frequently Asked Questions
Are planks good for core strength?
Yes. Planks help improve core stability, muscular endurance, and spinal control when performed correctly.
What muscles should activate during a plank?
A proper plank is a coordinated full-body movement that should engage your core, glutes, shoulders, quads, and upper back muscles.
It’s a full-body stabilization exercise.
Is shaking during planks normal?
Yes. Mild shaking is common, especially as stabilizer muscles fatigue or become challenged appropriately.
Is a forearm plank or high plank better?
Both can be effective. Forearm planks typically emphasize core stability more, while high planks increase shoulder and upper-body demand slightly.
