Pregnancy, Pectus, and Bruxism – Movement Debrief Episode 106

Movement Debrief Episode 106 is in the books. Below is a copy of the video for your viewing pleasure, and audio if you can’t stand looking at me.

Here is the setlist:

  • How can pregnancy affect one’s ability to move?
  • Can pregnancy change one’s infrasternal angle?
  • What type of adjustments and considerations should we make for those who are pregnant?
  • What is pectus excavatum?
  • How can this structural change impact movement options?
  • What type of exercises can we use to improve movement when someone has a pectus?
  • What is bruxism?
  • What is bruxism’s relationship to upper airway?
  • What are other potential related factors to bruxism?
  • What are some treatment considerations for someone who has bruxism?

If you want to watch these live, add me on Instagram. They air every Wednesday at 7:30pm CST. Enjoy!

and the audio version:  

Zac Cupples iTunes

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Ben House

American Academy of Myofunctional Therapy

Here is a great move to get pump handle action going

If you want something a bit lower-key, this is a classic move

If you want to do something that’s a bit more on the loaded side, then you’ll love this move

Pectus excavatum: Not just a cosmetic concern

Outcome of surgical repair of Pectus Excavatum in adults

Therapies for bruxism: a systematic review and network meta-analysis (protocol)

Bruxism: A Literature Review

Improvement of bruxism after T & A surgery



How does pregnancy change this stuff? I have a patient who is compressed on all sides, very narrow ISA, but she is starting to show with her pregnancy and belly breathe more. Can that actually shift people to a wide ISA as the pregnancy progresses? And how do you adjust the breathing activities to avoid undesirable positions with advancing pregnancy? 


Talk to me about pectus excavatum. Breathing is obviously an issue for these people. What are some of your favorite exercises to get these patients breathing better? 


Where does bruxism during sleep factor into the nasal passage/airway picture in terms of potential causes and what would some of the solutions be?

I have an off-center bite which has cause teeth to wear down and bruxism has become an increasing issue. My dentist gave me a nightguard but after the gradual onset of severe headaches, jaw pain, face pain, neck pain and thoracic spine pain I stopped using it. I need to get this addressed and need to be better informed to make sure I go down the right path.

Sum Up

  • Pregnancy cannot change the infrasternal angle, which is structural
  • However, pregnancy can reduce movement options within the ventral cavity
  • Watch for symptoms regardless of position used; it is likely low-risk to stay supine for only a minute or two
  • Pectus excavatum is essentially a structural down pump handle
  • Movement options can still be improved with this presentation in many cases
  • If cardiopulmonary symptoms are present, surgical correction may be impactful.
  • Bruxism involves grinding teeth either while awake or at night
  • Bruxism may involve an upper airway issue
  • There is mixed research on what treatments are efficacious for bruxism
  • My recommendations are to go through myofunctional therapy and consult with a dentist and/or ENT on potential airway restrctions

Photo by Authority Dental