
Subcostal muscles: Origin, insertion, innervation, action | Kenhub
Nov 3, 2023 · Subcostal muscles belong to the accessory respiratory musculature, as their function is to depress the ribs during forced exhalation. This action enables them to pull the …
Subcostal Muscles (Subcostalis): Origin, Insertion, Action, Diagram
Feb 5, 2024 · The subcostal muscles work similarly to the internal intercostal muscles. They help lower the ribs at the joints, connecting them to the spine (the costovertebral joints), effectively …
Subcostal Muscles | Complete Anatomy - Elsevier
The subcostal muscles are a group of muscles of the thorax. They consist of short, individual, skeletal muscles that are found in the lower half of the posterior thoracic wall.
Subcostalis muscle - Wikipedia
Their fibers run in the same direction as those of the intercostales interni. Depresses the ribs to assist in expiration. This article incorporates text in the public domain from page 403 of the …
Thoracic Muscles - Attachments - Actions - TeachMeAnatomy
Nov 6, 2025 · The subcostal muscles are most developed in the inferior portion of the thoracic wall. The direction of the fibres is similar to that of the innermost intercostal muscles.
Subcostal Muscles - Location, Function, Diagram
Subcostal muscles bridge multiple ribs internally, helping draw ribs downward during exhalation. Subcostal muscles are a small group of thoracic wall muscles located on the internal posterior …
SUBCOSTAL Definition & Meaning | Merriam-Webster Medical
The meaning of SUBCOSTAL is situated or performed below a rib. How to use subcostal in a sentence.
Subcostal muscles - e-Anatomy - IMAIOS
The subcostal muscles (Subcostales; Infracostales) consist of muscular and aponeurotic fasciculi, which are usually well-developed only in the lower part of the thorax; each arises from the …
Subcostal muscle | Radiology Reference Article | Radiopaedia.org
Jul 27, 2022 · The subcostal muscle has variable anatomy and forms part of the intercostal muscle group. It lies on the deep surface of the innermost intercostal muscle in the posterior …
Subcostal muscles - anatomy.app
The subcostal muscles are intrinsic thoracic muscles located on the inner surface of the posterior thoracic cage, stretching across two or three intercostal spaces.