Related Experiment Video
Updated: May 5, 2026
07:11
Assessment of the Efficacy of An Osteopathic Treatment in Infants with Biomechanical Impairments to Suckling
Published on: February 5, 2019
9.0K
[Abnormal head posture is not equal to compensatory head posture].
1Clinical College of Ophthalmology of Tianjin Medical University, Tianjin Eye Hospital and Institute, Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjing 300020, China.
[Zhonghua Yan Ke Za Zhi] Chinese Journal of Ophthalmology
|November 22, 2013
Summary
Abnormal head posture encompasses various conditions, but compensatory head posture specifically relates to extraocular muscle disorders. Compensatory postures aim to improve vision and binocularity.
Area of Science:
- Ophthalmology
- Neurology
- Orthopedics
Context:
- Abnormal head posture (AHP) is a complex clinical sign with diverse etiologies.
- Distinguishing between general AHP and compensatory head posture (CHP) is crucial for accurate diagnosis and management.
- CHP is specifically linked to underlying ocular motor or muscle disorders.
Purpose:
- To clarify the distinction between abnormal head posture and compensatory head posture.
- To elucidate the etiologies and diagnostic criteria for compensatory head posture.
- To highlight the visual and functional goals of compensatory head posture.
Summary:
- Abnormal head posture is a broad term for any deviation in head position.
- Compensatory head posture is a subset of AHP, specifically arising from extraocular muscle disorders.
- CHP aims to optimize visual acuity or achieve single binocular vision.
Impact:
- Improved understanding of head posture disorders.
- Enhanced diagnostic accuracy for conditions causing AHP and CHP.
- Facilitates targeted treatment strategies for patients with visual impairments due to head posture abnormalities.
Related Concept Videos
01:11Anatomical Positions
16.5K
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...
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...
16.5K
01:12General Case of Eccentric Axial Loading
692
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
692
01:19Muscles 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...
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
01:16Vertebral Column: Regions and Curvature
8.6K
The vertebral column or spine is a flexible column that supports the head, neck, and body and allows for their movements. It also protects the spinal cord.
Regions of the Vertebral Column
In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form...
Regions of the Vertebral Column
In an adult, the spine is subdivided into five regions: the cervical, the thoracic, the lumbar, the sacral, and the coccygeal region. The spine initially develops as a series of 33 vertebrae; after 20 years of age, the nine bones in the sacral region, five sacral, and four coccygeal bones fuse to form...
8.6K
01:18Unsymmetric Bending
992
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The...
992
01:16Eccentric Axial Loading in a Plane of Symmetry
769
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
769