Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Anatomical Positions01:11

Anatomical Positions

16.4K
In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
16.4K
Muscles that Move the Head01:19

Muscles that Move the Head

7.6K
The muscles that move the head are a dynamic and complex group of structures that work together to facilitate a wide range of head movements, including rotation, flexion, extension, and lateral bending.
The bilateral sternocleidomastoid, or SCM, and the suprahyoid and infrahyoid muscles are significant head flexors. The SCM muscles originate at the sternum and clavicle and attach to the mastoid process of the temporal bone. The SCM contracts bilaterally to bend the head forward, whereas...
7.6K
Equilibrium and Balance01:15

Equilibrium and Balance

6.2K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
6.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The human medial pterygoid muscle: Attachments and distribution of muscle spindles.

Clinical anatomy (New York, N.Y.)·2017
Same author

Alterations in mandibular morphology associated with glypican 1 and glypican 3 gene mutations.

Orthodontics & craniofacial research·2017
Same author

Surface-Sensitive Microwear Texture Analysis of Attrition and Erosion.

Journal of dental research·2016
Same author

Effects of non-carious cervical lesion size, occlusal loading and restoration on biomechanical behaviour of premolar teeth.

Australian dental journal·2015
Same author

Nanoscratch testing for the assessment of enamel demineralization under conditions simulating wine erosion.

Australian dental journal·2015
Same author

Under your nose: a rare finding during dissection provides insights into maxillary supernumerary teeth.

Australian dental journal·2014

Related Experiment Video

Updated: Apr 30, 2026

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

10.4K

Variation in natural head position and establishing corrected head position.

A L Barbera1, W J Sampson1, G C Townsend1

  • 1School of Dentistry, University of Adelaide, SA 5005, Australia.

Homo : Internationale Zeitschrift Fur Die Vergleichende Forschung Am Menschen
|May 3, 2014
PubMed
Summary

The Frankfurt horizontal (FH) varies individually, impacting corrected head position (CHP) simulations. Utilizing multiple cephalometric planes like the stable basicranial line (SBL) offers a more consistent approach to determining CHP.

More Related Videos

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

647
A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
07:30

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

Published on: September 21, 2017

8.4K

Related Experiment Videos

Last Updated: Apr 30, 2026

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior

Published on: November 14, 2018

10.4K
Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

647
A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
07:30

A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact

Published on: September 21, 2017

8.4K

Area of Science:

  • Cephalometric analysis
  • Anthropometry
  • Orthodontics

Background:

  • Corrected head position (CHP) is crucial for orthodontic diagnosis, orthognathic surgery, and anatomical studies.
  • The traditional Frankfurt horizontal (FH) plane for simulating CHP shows significant individual variability.
  • Understanding natural head position (NHP) reproducibility is key to improving cephalometric accuracy.

Purpose of the Study:

  • To investigate the relationships between natural head position (NHP) and various cephalometric planes.
  • To evaluate the reproducibility of NHP over time in a longitudinal sample.
  • To identify alternative cephalometric planes for more consistent determination of corrected head position (CHP).

Main Methods:

  • Analysis of natural head position (NHP) cephalograms from Aboriginal Australians and two orthodontic practice samples.
  • Longitudinal assessment of NHP reproducibility over approximately 8 years in the Aboriginal Australian cohort.
  • Comparison of angulations between NHP, stable basicranial line (SBL), neutral horizontal axis (NHA), Frankfurt horizontal (FH), palatal plane (P plane), and Krogman-Walker plane (KW plane) relative to the true horizontal (HOR).

Main Results:

  • NHP reproducibility showed an absolute mean difference of 2.9°, with a range of -7.9° to 8.2° and a standard deviation of 3.6°.
  • Selected cephalometric planes (SBL, NHA, FH, P plane, KW plane) exhibited near parallelism.
  • Mean angulations of these planes from the true horizontal (HOR) ranged from -4.6° to 2.4°.

Conclusions:

  • Natural head position (NHP) is not consistently reproducible at the individual level.
  • The combined use of stable basicranial line (SBL), palatal plane (P plane), and Krogman-Walker plane (KW plane) can lead to a more consistent corrected head position (CHP).
  • These findings suggest improved methods for cephalometric analysis in orthodontics and surgical planning.