WebWhen the lower ribs are stabilized and the central tendon of the diaphragm is mobile, a contraction brings the insertion (central tendon) towards the origins and pushes the … WebInsertion: skin on lateral sides of the mouth Pectoralis Major Action: flexion, adduction, and medial rotation at shoulder Origin: ribs 2-6, sternum, and clavicle Insertion: greater tubercle of humerus Pectoralis Minor Action: protracts scapula Origin: ribs 3-5 Insertion: coracoid process of scapula Rhomboid Major Action: adducts scapula
A&P Module 5.docx - 5.1 Anatomy of the Muscular System:...
WebDiaphragm Origin Insertion Action Origin: xiphoid process of sternum, costal cartilages of inferior 6 ribs, and lumbar vertebrae Insertion: central tendon Action: increases the vertical dimension of thoracic cavity, resulting in inhalation External intercostals Origin Insertion Action Origin: inferior border of rib above WebInsertion: The quadriceps tendon along with the three vasti muscles, enveloping the patella then by the patellar ligament into the tibial tuberosity. Action: Extension of the leg at the knee. Innervation: Posterior division of the femoral nerve (L3 - 4) Sartorius. Origin: Inferior portion of the anterior superior iliac spine. dundalk community centre widnes
12.7: Actions, Origins, and Insertions of the Skeletal Muscles
WebDiaphragm muscle origin and insertion Term 1 / 2 what is the diaphram origin? Click the card to flip 👆 Definition 1 / 2 xiphoid of sternum, ribs 7-12 anterior surface of lumbar … WebORIGIN Vertebral:crura from bodies of L1, 2 (left), L1-3 (right). Costal: medial and lateral arcuate ligs, inner aspect of lower six ribs . Sternal: two slips from posterior aspect of xiphoid : INSERTION Central tendon : … WebOrigin: Orbit Insertion: Eyelids Action: Closes eye, produces winking, blinking, squinting ("blink muscle") Orbicularis oris. Origin: Maxillae, mandible ... Action: Contraction causes flattening of diaphragm (moves inferiorly) during inspiration and thus expands thoracic cavity; increases pressure in abdominopelvic cavity. Rectus abdominis. dundalk cathedral