Tongue Up = Stronger Legs? What Science Says About Tongue Posture and Knee Power

Introduction

Did you know palatal tongue posture might be a performance enhancer for your legs?

We usually think about strength in terms of muscle, training volume, or nutrition. But there is emerging science indicating your tongue’s resting position—specifically, pressing the tongue to the palate—could boost lower-body strength, especially isokinetic knee power. In this article, you’ll learn what palatal tongue posture is, the experiments showing its effects, how it might work, and practical drills (including SportPal‑style cues) so you can test it yourself.

What Is Palatal Tongue Posture?

Definition and Comparison

• Palatal tongue posture means resting the tongue (both tip and body) gently against the roof of the mouth (palate), especially right behind the upper incisors.

• By contrast, other tongue positions include resting on the lower arch of the mouth, mid‑mouth (just behind incisors), or loosely in the oral cavity.

• These different positions change tongue‑palate contact, oral cavity shape, and likely affect sensory feedback through the trigeminal nerve and internal posture alignment.

Research Spotlight: Tongue Position and Knee Strength

The Pilot Study

• Study: The acute effect of the tongue position in the mouth on knee isokinetic test performance: a highly surprising pilot study.

• Participants: 18 recreationally active males.

• Protocol: Isokinetic tests at 90°/s and 180°/s under three tongue positions:

  1. MID (tongue against incisive teeth)

  2. LOW (tongue on lower arch)

  3. UP (tongue pressed to the palatine spot)

• Key findings:

  • Knee flexion peak torque with tongue UP was ~30% higher compared to MID at both angular velocities.

  • Extension strength improved too, though less dramatically.

• Limitations: Small sample size; lab environment; isolated joint tests that may not directly transfer to dynamic, sport‑specific movements.

Why Tongue Posture Might Affect Lower Body Power

Possible Mechanisms

• Neurosensory feedback & CNS modulation: The UP tongue position likely increases sensory input from the palate, possibly enhancing central drive or altering motor unit recruitment.

• Improved breathing & airway support: Tongue on the palate tends to favor nasal breathing, which helps with stable intra‑abdominal pressure and better oxygen delivery.

• Posture alignment & kinetic chains: Tongue posture influences head, neck, and jaw position. If these are more neutral, there may be fewer compensations elsewhere in the chain (spine, hips, knees), which can support better lower-body output.

• Standardization in testing: The pilot study highlights the importance of controlling for tongue position—this variable might have confounded other strength measurements historically.

SportPal Training: Drills to Build Tongue‑Linked Leg Power

Here are drills and protocols designed to activate and leverage palatal tongue posture for lower-body strength and power (with or without SportPal cues).

Practical Tips & Caveats

• If you have anatomical constraints (tongue tie, narrow palate, nasal congestion, TMJ issues), forced palatal posture may be uncomfortable or not fully effective. Professional consults can help.

• Gains in isokinetic settings are promising, but dynamic sports involve coordination, speed, fatigue, and multi-joint work. Improvements may be smaller but still meaningful.

• Consistency matters: practicing the tongue‑up cues and combining with good posture, breathing, and alignment will likely yield better results over time.

• Track performance with & without the cues so you can evaluate whether it’s helping you.

Conclusion

Palatal tongue posture (tongue pressed up against the palate) isn’t just an odd posture cue—it’s showing up in studies as a real factor affecting knee flexion strength and potentially lower-body power. The pilot study found ~30% gains in flexion torque under controlled conditions with tongue UP. While there’s a gap when translating to dynamic sport settings, experimenting with tongue‑up cues, drills, and devices like SportPal may be a low-cost, low-risk way to get an edge. Try it, measure it, and see if you notice stronger legs.

References

• Di Vico, R., Ardigò, L. P., Salernitano, G., Chamari, K., & Padulo, J. The acute effect of the tongue position in the mouth on knee isokinetic test performance: a highly surprising pilot study. Muscles, Ligaments and Tendons Journal, 3(4), 318‑323. [Click here]

• Muscle PhD. Tongue Position and Gains? [Click here]