Here, you will find the anatomy of the pectoralis major, including functional considerations, variations and links to related posts. Overview The Pectoralis major is a large, flat muscle on the anterior thorax. It originates on the anterior axial skeleton. Then, with a twist, it inserts on the proximal humerus. Origin Insertion Function Nerve The extensive […]
Overview The anatomy of the psoas minor muscle is highly variable. However, when it is present, it can be a significant bodywork concern. Origin Insertion Function Innervation One study shows that it is present in about 87% of white cadavers and 8% of black cadavers. Other studies vary in their claims, often showing that it
The Iliopsoas Complex is a set of muscles on the back wall of the abdomen. They primarily flex the hip but also help with lateral flexion of the trunk. Many studies vary in their explanation of how they work, especially when they are trigger point laden. They seem to adjust tension based on many factors,
Overview The anatomy of the iliacus is the simplest of the hip flexors. Origin Insertion Function Innervation Iliacus is the most direct and straightforward hip flexor connecting the coxal bone to the femur as it passes over the hip joint. It is part of the iliopsoas complex or deep abdominals. It is a flat triangular
Here you will find the anatomy of the psoas major. It fits into a larger group of muscles, the iliopsoas complex. There is a grid of related posts at the end of this post. Overview The anatomy of psoas major is complex, and its functions are fodder for endless bodywork discussions. Origin Psoas major originates
