Scapula has various bony projections for attachment of muscles, ligaments and other soft-tissue structures. The spine ends in the acromion, a process that articulates with the clavicle, or collarbone, in front and helps form the upper part of the shoulder socket.

When at rest, the scapula must sit at the correct height on the trunk as well as the correct distance from the spine. The scapula is commonly referred to as the shoulder blade. Optimal scapular function is a key component of all shoulder function. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The muscles that move the shoulder forward come from the breast. Written by the Healthline Editorial Team. The function of the scapula is to provide movement and stabilization of the arm at the shoulder by attaching it to the trunk of the body, known as the thorax. These include the scapular spine, acromion process, coracoid process, scapular notch, lateral scapular spine, and glenoid fossa. Healthline Media does not provide medical advice, diagnosis, or treatment. It has 2 surfaces, 3 borders, 3 angles and 3 processes. Physiopedia articles are best used to find the original sources of information (see the references list at the bottom of the article). The first secondary centre appears in the middle of the coracoid process during the first year and fuses by the 15th year.

Spine or Spinuous Process is a triangular plate of bone with 3 borders and 2 surfaces. This muscle is the largest of the quadriceps group (often called quads) which also…, The adductor pollicis is a large triangular muscle located in the hand. When the arms are required to push…. The suprascapular nerve travels through the notch and provides motor supply to the supraspinatus muscle and infraspinatus muscle, as well as sensation to the acromioclavicular joint. A small tendon attaches the levator to the upper area of the shoulder blade. A lively and informative new podcast for kids that the whole family will enjoy!

The scapula, along with … Scapula, also called shoulder blade, either of two large bones of the shoulder girdle in vertebrates. The fact of practical importance is concerned with the acromion. The effect of scapular protraction on isometric shoulder rotation strength in normal subjects.

The scapula ossifies from one primary centre and seven secondary centres.

Muscles connected to the scapulas (shoulder blades) (an anterior–from the front–view) Muscles that Connect Scapula to RIBS Serratus anterior.

Structure. It connects the humerus bone of the arm to the collarbone. Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. Serratus anterior is a deep muscle on each side of the …

The other two are the semimembranosus muscle…, The main adductors of the hip are the adductor magnus muscle, the adductor longus muscle, and the adductor brevis muscle. The head of the humerus, the long bone of the upper arm, fits into the glenoid cavity, a depression in the scapula. In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs. The scapula (shoulder blade) is a strange-looking triangular bone that's slightly curved. It houses a socket into which the head of the humerus fits to form the shoulder joint. The costal surface is concave to fit on the convex chest wall. There are only three muscles that are responsible for enabling the movement of the shoulder blade. The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral (shoulder) girdle which connects the upper limb of the appendicular skeleton to the axial skeleton.

Physiologically, it is the “S” of scapulohumeral rhythm (SHR), the coupled and coordinated movement between the scapula and arm that allows you to place your arm in the optimum position and motion to accomplish tasks. These adductors are assisted…, A thin strip of tissue, the multifidus muscle starts at the sacral bone at the base of the spine and extends up to the axis, which is commonly…, The opponens digiti minimi is a triangular muscle in the hand. Anatomically, it is the “G” of the glenohumeral joint and the “A” of the acromioclavicular joint. It is one component of the muscular system of the shoulder.

The lateral thickest border runs from the glenoid cavity above to the inferior angle below.
In humans they are triangular and lie on the upper back between the levels of the second and eighth ribs. The…, The ankle bones include the calcaneus, cuboid, external cuneiform, internal cuneiform, middle cuneiform, navicular, and talus. The blood supply for this muscle comes from the dorsal scapular artery. The levator muscle is a small, thin muscle.

To the margins of the scapula are attached muscles that aid in moving or fixing the shoulder as demanded by movements of the upper limb. The lateral or glenoid angle is large and bears the glenoid cavity. The scapula is a thin bone placed on the posterolateral aspect of the thoracic cage that connects the humerus (upper arm bone) with the clavicle (collar bone).

Kibler, W. B., Sciascia, A., & Dome, D. (2006). Fung et al discovered that scapular upward rotation and retraction are greatest during abduction elevation, when compared to flexion elevation. Insertion: Upper part of medial border of the scapula; Function: Elevates medial border of the scapula and rotates lateral angle downwards, bends neck to the side; Reference: [3] Picture 6.

Aaron has been previously honored with Clinical Athletic Trainer of the Year, the Award of Merit from the Kentucky Athletic Trainers’ Society, and the Founders' Award from the American Society of Shoulder and Elbow Therapists (ASSET). Posterior tilting is responsible for humeral clearance during the acromiohumeral portion of shoulder elevation. The scapula plays many roles in shoulder function. Anatomically, it is the “G” of the glenohumeral joint and the “A” of the acromioclavicular joint. Lateral or Glenoid angle is broad and bears the glenoid cavity or fossa, which is directed forward, laterally and slightly upwards. [2] [3], Sign up to receive the latest Physiopedia news, The content on or accessible through Physiopedia is for informational purposes only. Subscapularis Bursa, between the subscapularis and the serratus. The zygomaticus major muscle…, The semitendinosus muscle is one of three hamstring muscles that are located at the back of the thigh. Top Contributors - Venus Pagare, Kim Jackson, Chrysolite Jyothi Kommu, Oyemi Sillo and Vanessa Rhule.

The scapula has two surfaces, three borders, three angles, and three processes.

Scapula has various bony projections for attachment of muscles, ligaments and other soft-tissue structures. The levator scapulae muscle is located at the side and back of the neck. He recently co-edited two textbooks and is serving as an associate editor for the International Journal of Athletic Therapy and Training.The sword-shaped scapula articulates with the coracoid and upper “armbone” (humerus) and lies just dorsal to the rib basket. Structure. Evaluation of apparent and absolute supraspinatus strength in patients with shoulder injury using the scapular retraction test. He also serves as adjunct faculty for Moravian College's Masters in Athletic Training and Doctorate in Athletic Training programs in Bethlehem, PA. Read more, © Physiopedia 2020 | Physiopedia is a registered charity in the UK, no. It arises from its medial two-thirds and from the lower two-thirds of the groove on the axillary border (subscapular fossa) of the scapula..

The rhomboideus is actually two muscles, the major and minor, located deep in the base of the shoulder blade. The scapula is a remarkable structure. Inferior angle is covered by the latissimus dorsi. The scapula is a flat bone that is shaped somewhat like a triangle. Angela Campbell, PT, DPT, CCS and Ellen Hillegass, PT, EdD, CCS, FAPTA, Michelle Camicia, PhD, MSN, RN, CRRN, CCM, NEA-BC, FAHA, “I love MedBridge because it allows me to browse different education programs at my own pace and to learn about other subjects other than my primary focus of pelvic health.

In most cases Physiopedia articles are a secondary source and so should not be used as references. The primary centre appears near the glenoid cavity during the eighth week of development. Doctoralerts is dedicated to empower every person with the knowledge of medical health by providing precise, credible & valuable health information to better manage their own health status & thereby, improvement in health status of community.

This sets the stage for arm movement. Because of the scapula’s complexity, it is also prone to dysfunction, sidelining athletes, weekend warriors, and gardeners alike. Sign up to receive exclusive content from industry leading instructors. Smith, J., Dietrich, C. T., Kotajarvi, B. R., & Kaufman, K. R. (2006). Smith, J., Kotajarvi, B. R., Padgett, D. J., & Eischen, J. J. It is responsible for movement of the shoulder and head. The extensor….

The trapezius muscle implants into the collarbone.

A scapula’s posterior surface is crossed obliquely by a prominent ridge, the spine, which divides the bone into two concave areas, the supraspinous and infraspinous fossae. The scapula, along with the clavicle and humerus, make up the shoulder. Our website services, content, and products are for informational purposes only. The acromioclavicular ligament connects the distal end of the clavicle to the acromion and provides horizontal stability, Scapulothoracic Bursa, between the serratus and the thorax, and. Overhanging the glenoid cavity is a beaklike projection, the coracoid process, which completes the shoulder socket.

Scapula, also called shoulder blade, either of two large bones of the shoulder girdle in vertebrates. Optimal scapular function is a key component of all shoulder function. When at rest, the scapula must sit at the correct height on the trunk as well as the correct distance from … Meet requirements for your license renewal with a single subscription! Kenhub-Learn Human Anatomy.Anatomy and Function of the Scapula-Human Anatomy|Kenhub.Available from: Williams GR, Shakil M, Klimkiewicz J. Anatomy of the Scapulothoracic Articulation. Elevation and depression of the scapula assist with the movement of the entire shoulder capsule up and down, seen in motions such as shrugging of the shoulders. [Medline]. There are only three muscles that are responsible for enabling the movement of the shoulder blade. Feb 1999;237-46.


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