Near the middle of the squamous part of occipital bone is the external occipital protuberance, the highest point of which is referred to as the inion. The inion is the most prominent projection of the protuberance which is located at the posterioinferior (rear lower) part of the human skull. The nuchal ligament and trapezius muscle attach to it.

Occipital spurs, also called as occipital knob, occipital bun, chignon or inion hook, is an exaggerated external occipital protuberance (EOP). It is frequently discussed in anthropological literature as a Neanderthal trait but hardly reported and considered as …

2024年3月4日 · The external occipital protuberance is a prominent bony projection of the occipital bone of the skull. Is it typically more palpable in males, with its most prominent point referred to as the inion. Extending laterally from the external occipital …

2024年6月21日 · The inion (plural: inia/inions) is the tip of the external occipital protuberance (EOP), the midline bony prominence in the occipital bone from which the ligamentum nuchae and trapezius muscle attach.

2020年4月16日 · External Occipital Protuberance (EOP) enlargement has been recently reported to increase in young adults, with a putative link with postural factors such as the use of...

2023年4月10日 · On the occipital bone, there is a portion of the bone called the external occipital protuberance (EOP) which varies in volume and is a trait considered sexually dimorphic (Figure 1) (Gülekon and Turgut 2003, 1).

2023年3月22日 · This investigation aimed to study the types of external occipital protuberance (EOP) with special reference to Type 3 (spine type). Detailed information will be useful for clinicians to manage occipital headaches or issues related to the biomechanics of the neck and for accurate radiological interpretations.

External Occipital Protuberance (EOP) enlargement has been recently reported to increase in young adults, with a putative link with postural factors such as the use of smartphones. This study aims to analyze finely the changes in prevalence and size ...

The prevalence of an enlarged EOP was 33% in the study population. Males were 5.48 times more likely to have an enlarged EOP than females. An increase in forward head protraction resulted in increased likelihood of having an enlarged EOP.

2020年4月16日 · External Occipital Protuberance (EOP) enlargement has been recently reported to increase in young adults, with a putative link with postural factors such as the use of smartphones. This study aims to analyze finely the changes in prevalence and size of EOP enlargement in millennials, throughout the …