Close portrait of a man's face and jawline

Jaw Exercises: Why Stronger Jaw Muscles Matter

18 March 20242 min read By Dushyanta Dushyanta

Your jaw muscles do more than chew. The masseter is one of the strongest muscles by weight in the body, and it links to the neck and the upper back through fascia and posture. A weak or imbalanced jaw shows up as tension headaches, jaw clicking, TMJ pain, and nighttime grinding. A short daily routine plus chewing harder foods improves jaw function within a few weeks. Armijo-Olivo and colleagues (2016 Physical Therapy) reviewed the evidence and concluded manual therapy and therapeutic exercise produce clinically meaningful improvements in pain and function for adults with temporomandibular disorders.

Why modern diets undercut the jaw

Processed food requires little chewing. Earlier human diets demanded hours of chewing tough plant fibre and meat. Less mechanical load on the jaw translates to weaker masseter and temporalis muscles, less developed dental arches, and more tension at the joint over years. The fix is not exotic: longer chewing, harder foods, and a few targeted exercises a few times a week.

Signs of weak or overloaded jaw muscles

  • Clicking or popping at the jaw joint.
  • Pain when chewing harder foods.
  • Tension headaches that start at the temples.
  • Neck tightness that maps to jaw activity.
  • Tooth grinding at night (bruxism), often a sign of muscle imbalance and stress.

Three exercises to try

Resisted opening
Place a fist under the chin. Open the mouth against the resistance. Hold 5 seconds. Release slowly. 10 reps.
Lateral glide
Move the jaw slowly to the left, hold 3 seconds. Then to the right, hold 3 seconds. 10 reps each side.
Hard chew
Sugar-free hard gum or a dedicated jaw trainer. Slow, deliberate, full-range chewing for 5 to 10 minutes a day.

Cautions

Speak to a dentist or physiotherapist before starting if you already have diagnosed TMJ disorder, locking jaw, or significant clicking with pain. Start light. The jaw muscles are small and easy to overload. Stop any exercise that produces sharp joint pain. Mild muscle soreness is acceptable.

Bottom line

Five minutes a day, three to five times a week, plus harder foods at meals. Most people notice less tension and fewer headaches within two to four weeks.

Work with DT Fitness London

For a complete training and recovery plan that addresses posture, neck and jaw tension, book a consultation at www.dushyantatomar.com.

Dushyanta Tomar, MSc Applied Sports and Exercise Physiology, CIMSPA Accredited Personal Trainer.

Sources

  1. Armijo-Olivo S, Pitance L, Singh V, et al. Effectiveness of manual therapy and therapeutic exercise for temporomandibular disorders: systematic review and meta-analysis. Phys Ther. 2016, vol 96, issue 1, pages 9 to 25.
  2. NHS. TMJ disorder (jaw joint pain). nhs.uk
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