7‑Minute Plank - My Key Learnings



Yesterday, after finishing a 10K race in 43:12, we were all waiting around for the podium announcements. With plenty of time to spare, I casually challenged my running buddy Biren to a plank hold. Something I often include in my interval‑based core strength training, but rarely test to my full limit.

What started as a light challenge turned into a personal check-in. I wanted to see how long I could hold the plank with proper form, without letting anything break down. I surprised myself by holding it for a little over 7 minutes before stopping - still shy of complete failure, but long enough to feel the effort.

Later, I grabbed a screenshot from the video and asked Copilot to analyze my plank form. I have always been curious whether I have been holding it correctly during training.

Here’s the feedback I received on my form:

What You’re Doing Well

  • Solid straight-line alignment: Your shoulders, hips, and legs look nicely aligned. This is the foundation of a strong plank.
  • Elbows positioned correctly: Your elbows appear directly under your shoulders, which reduces shoulder strain.
  • Neutral back: There is no noticeable sagging in the lower back which is great for protecting your spine.

Small Adjustments to Make It Even Better

  • Engage the glutes a bit more: Tightening your glutes will stabilize the hips and help maintain a perfectly straight line from head to heel.
  • Slightly pull the forearms inward: Imagine “dragging” your elbows toward your toes (without actually moving them). This activates the lats and deep core even more.
  • Keep your hips 1–2 cm higher: They’re almost perfect, but raising them just a touch will give you a stronger lock-in and reduce lower-back load during long holds.
  • Press the ground away: A little more upper-back engagement (protracting your shoulder blades slightly) will help distribute tension evenly.

Overall

Your plank form is already strong; these refinements are just to help you get even more activation and stay injury-free, especially with the training volume you maintain.


PS: I will definitely try these small adjustment the GenAI tool suggested next time when do my plank workout

The AI generated perfect plank form:


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