Rectus abdominis muscle :-

Rectus abdominis muscle :- muscle details :- also known as the “abdominal muscle” or “abs”, is a paired muscle running vertically on each side of the anterior wall of the human abdomen, as well as that of some other mammals. Origin :- Crest of pubis . Insertion :- costal cartilages… Continue reading

Transverse abdominal muscle :-

Transverse abdominal muscle :- Muscle details :- a muscle layer of the anterior and lateral (front and side) abdominal wall which is deep to (layered below) the internal oblique muscle. It is thought by most fitness instructors to be a significant component of the core. Origin :- Iliac crest, inguinal… Continue reading

Serratus posterior superior muscle :-

Serratus posterior superior muscle :- muscle details :- a thin, quadrilateral muscle, situated at the upper and back part of the thorax, deep to the rhomboid muscles. origin :- Nuchal ligament (or ligamentum nuchae) and the spinous processes of the vertebrae C7 through T3. Insertion :- The upper borders of… Continue reading

Serratus posterior inferior muscle :-

Serratus posterior inferior muscle :- muscle details :- a muscle of the human body. origin :- Vertebrae: Spinous processes of T11 – L2 . Insertion :- The inferior borders of the 9th through 12th ribs . Nerve :- Intercostal nerves T9 through T12 . Actions:- Depress the lower ribs 9-12,… Continue reading

Levatores costarum muscles :-

Levatores costarum muscles :- Muscle details :- twelve in number on either side, are small tendinous and fleshy bundles, which arise from the ends of the transverse processes of the seventh cervical and upper eleven thoracic vertebrae . Origin :- Transverse processes of C7 to T11 vertebrae. Insertion :- Superior… Continue reading

Transversus thoracis muscle :-

Transversus thoracis muscle :- Muscle details :- lies internal to the thoracic cage, anteriorly. It is a thin plane of muscular and tendinous fibers, situated upon the inner surface of the front wall of the chest. Origin :- Costal cartilages of last 3-4 true ribs, body of sternum and xiphoid… Continue reading

Innermost intercostal muscle :-

Innermost intercostal muscle :- Muscle details :- a layer of intercostal muscles deep to the plane that contains the intercostal nerves and intercostal vessels and the internal intercostal muscles. Origin :- Infero-posterior border of each rib (above). Insertion:- Supero-posterior border of the rib (below). Nerve:- intercostal nerves. Actions :- Through… Continue reading