O: SPs of T7-12, lower 3-4 ribs, Iliac crest, thorocolumbar fascia | I: Intertubercular sulcus of humerus. Highest tubercle of greater tubercle. It also act as abductor of shoulder joint from 0-15 degree. It inserts at the lesser tubercle of the humerus. Highest tubercle of greater tubercle. Superior belly: Lower border of the hyoid bone lateral to the sternohyoid insertion. M. splenius. Ventral branches of cervical nerves. ... as well as the superior crest of the scapular spine. | I: greater tubercle of humerus (inferior facet). Without bending your arms, reach with your sternum towards the wall until both shoulder blades come together in the back. It inserts on the deltoid tuberosity of the humerus where three septa are attached. The right scapula from the front and back side. insertion. Draw elbows back while squeezing shoulder blades together behind. SLR and SIT mnemonic for scapular muscle attachment. We are pleased to provide you with the picture named Muscle Origin And Insertion Gross Anatomy.We hope this picture Muscle Origin And Insertion Gross Anatomy can help you study and research. Rhomboideus Minor: The rhomboid minor is located on the back that attaches the scapula to the vertebrae of the spinal column. Quickly memorize the terms, phrases and much more. It acts as medial rotator and adductor of arm. Kneel on the mat with the knees wider than hip-width apart and the feet together behind. • Extends and/or laterally flexes the head. Match. The above drawings of the origin and insertion might help visualize this information (red is the origin and blue is the insertion). Posterior view, left side Posterior (superficial) view of origin and insertion, left side Lean further forward to intensify the stretch if necessary. Muscles - Origins and Insertions 2: 1. Upper and lower subscapular nerves. MUSCLE ORIGIN Rhomboid major Posterior Spinous surface of … Origin: Transverse process of first four cervical vertebra. It originates from the lower one-third of the dorsal sudace of lateral border and inferior angle of the scapula. If not, you should definitely read this lesson! O: SPs T2-5. Muscles of shoulder 4. It is supplied via the dorsal scapular nerve. Like their connected bones, the scapulae are paired, with each scapula on either side of the body being roughly a mirror image of the other. The levator scapulae muscle is located at the side and back of the neck. Action: Elevation of the scapula if the origin (C1-C4) is fixed.If the insertion (scapula) is fixed, each side flexes the neck ipsilaterally (laterally to the same side) and both sides together assist in neck extension and primarily as a checkrein (see above) against forward flexion. Origin. In compound terms, the prefix omo- is used for the shoulder blade in Latin medical terminology Insertion: The medial Border of the scapula between the superior border and the root of the spine. | I: medial border of scapula (base of spine). Bursae in shoulder joint 3. | I: medial border of scapula (above base of spine). Muscle origin and insertion are important to muscle contraction, it will help to determine what body parts will be moved and the leverage force. When the muscle contracts and shortens it pulls on the insertion points on the radius causing the elbow to flex. Stand in a doorway, holding both sides of the frame at or just below shoulder height. | A: Medial rotation, Adduction. Canine myology - Illustrated atlas of anatomy of the muscles of the dog. Gravity. Flashcards. PLAY. Hold for at least 30 seconds and then repeat on the other side. In anatomy, the scapula, also known as the shoulder bone, shoulder blade, wing bone or blade bone, is the bone that connects the humerus with the clavicle. | A: retraction and stabilization of scapula. Rhomboid Minor Muscle: Origin, Insertion, Nerve Supply & Action. Details; Pronunciation / l ɪ ˈ v eɪ t ər ˈ s k æ p j ʊ l i / Origin: Posterior tubercles of transverse processes of C1 - C4 vertebrae: Insertion: Superior part of medial border of scapula: Artery Write Origin, Insertion, Action, Nerve Supply & Applied Aspect of Deltoid Muscle. The name derives from the Classical Latin word for trowel or small shovel, which it was thought to resemble. Origin: Occipital bone and spinous processes of thoracic vertebrae Insertion: Scapula and clavicle Action: Elevation, superior rotation, inferior rotation, and depression of scapula Insertion : It inserts in the upper impression on the greater tubercle of the humerus. One will feel this stretch in the shoulders and back, in addition to the hips and glutes. Infraspinatus m. Infraspinaous Fossa Reach across the front of the body with the right hand and grab onto the left bicep or elbow. Subscapular fossa. Take this multiple-questions test on origins and insertions to see how well you understood the topic and which elements you are yet to totally understood. Created by. Stabilisation of shoulder joint. Cram.com makes it easy to get the grade you want! Muscles of the Scapular Region : Muscle. Origin. b. Dorsal (Posterior) surface: Insertion of 4 muscles and Origin of 1 muscles Mnemonic: SIT (remember the greater tubercle muscles) Muscles on medial aspect of dorsal surface is supplied by nerves from trunk of brachial plexus. It originates from – The anterior border and adjoining surface of the lateral one-third of the clavicle. Stand tall, bringing shoulders down and back and engage abdominal muscles (do not hunch shoulders or push out ribs). The levator scapulae may lie deep to the Sternocleidomastoid at its origin, deep or adjacent to the splenius capitis at its origin and mid-portion, and deep to the trapezius in its lower portion. Cram.com makes it easy to get the grade you want! These muscles attach to the scapular surface and assist with abduction and external and internal rotation of the glenohumeral joint. Superior angle of scapula toward the scapular spine • Nerves off cervical plexus, C3,4 • Dorsal scapular nerve, C5 • Elevates the scapula. This is one of the five muscles that are grouped as muscles of the scapula, or sometimes as muscles that moor the scapula. At elbow height stand in a doorway, holding a resistance band at height. And shoulders toward the ground to deepen the stretch: insertion of 4 muscles and origin of muscles... Action of muscles scapular notch holding a resistance band in hands, open... 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