HumerusMediallyTrapeziusSternumRibsAnteriorly and laterallyLevatorRotator cuff musclesSpineMargin of the scapulaThoraxAnteriorMuscles attach to the scapulaBoneStabilizeExtendsGlenoidUpwardTeres minorMedialClavicle and the scapulaAcromialInferiorlyBicepsBonyArticulatesBrachial plexusVertebralWingingAxialAbductionAcromioclavicularContinuousShoulder jointRidgeElevationUpperConsistsVentralSupraclavicularMuscle
Humerus13
- The scapula (plural: scapulae) is a roughly triangular shaped bone of the pectoral girdle with several articulations connecting to the humerus and clavicle . (radiopaedia.org)
- The scapula is a flat, irregularly shaped bone that connects the clavicle to the humerus, known in lay terms as the "shoulder blade. (orthopaedia.com)
- The proximal long bone of the upper extremity, the humerus, articulates with the scapula at the shoulder joint. (aclandanatomy.com)
- The bony structure of the shoulder and arm consists of the clavicle, scapula, and humerus ( Figure 29-1A ). (mhmedical.com)
- Aside from rotation, the muscle is also used to hold the humerus head in the correct position with regards to the scapula. (wise-geek.com)
- the humerus, the clavicle, and the scapula. (elliottelford.com)
- Scapula - wing bone, or blade bone connects the humerus and clavicle and lies on the back of the rib cage. (elliottelford.com)
- The Glenoid cavity is a shallow depression in the scapula, that connects to the head of the humerus and allows for the arm-bone's articulation, forms the basis for the ball and socket joint and is held in place by the head of the biceps tendon. (elliottelford.com)
- Teres Major - A small muscle that runs along the lateral border of the scapula and connect to the humerus. (elliottelford.com)
- Teres Minor - extends laterally and obliquely from the head of the humerus to the scapula, underneath the Teres Major. (elliottelford.com)
- Supraspinatus - connects the scapula to the humerus and abducts the shoulder and arm. (elliottelford.com)
- Infraspinatus - connects from the medial side of the scapula to the humerus to aid in stabilizing the shoulder. (elliottelford.com)
- Diagram showing relationships of the brachial plexus (BP) to the sternum, scapula, and humerus. (medscape.com)
Medially3
- The scapula has six primary movements: elevation (as in shrugging the shoulders) and depression, protraction (moving the scapula laterally and anteriorly along the chest wall) and retraction (moving the scapula medially), and rotation upward or downward (see Figure 2). (orthopaedia.com)
- The non-weight-bearing hip and knee is flexed and laterally rotates and abducts then medially rotates and adducts. (raqs.co.nz)
- This layer conceals the sacrospinalis muscle, and is attached medially to the vertebral spines, and laterally to the angles of the ribs, and to the iliac crest. (co.ma)
Trapezius4
- With the latissimus dorsi , rhomboids , and levator scapula , the trapezius muscle is one of the widest back muscles. (markgiubarelli.com)
- The first of this series consists of the posterior muscles connecting the superior extremity to the trunk, and comprises the first two layers of the muscles of the back (1) trapezius and latissimus dorsi, and (2) levator scapula and rhomboidei (major and minor). (co.ma)
- The deltoid and trapezius muscles have receptors on the lateral third of the collarbone, which is where they are located anteriorly and laterally. (stemgeeks.net)
- The plexus, depicted in the images below, is responsible for the motor innervation of all of the muscles of the upper extremity, with the exception of the trapezius and levator scapula. (medscape.com)
Sternum4
- After placing the body on ice, use a ventral approach to expose the vertebral column by removing the viscera and cutting through the ribs laterally to the sternum. (jove.com)
- Clavicle - also known as the 'collarbone', it is the first bone to ossify in an embryo, and connects the sternum to the scapula. (elliottelford.com)
- In consequence of these requirements, the limb, and with it the scapula, become further removed from the trunk, and so the support which the blade bone received through the union of its coracoid element with the sternum, as in birds and reptiles, and to some extent in the lowest mammals, is withdrawn. (co.ma)
- The pectoral girdle consists of the clavicle and the scapula, which serve to attach the upper limb to the sternum of the axial skeleton. (pressbooks.pub)
Ribs3
- Note the torso is also disc-shaped with laterally extended ribs. (beforeitsnews.com)
- Serratus Anterior - originates on ribs one through eight and connects to the medial interior edge of the scapula. (elliottelford.com)
- The serratus anterior is a fan-shaped muscle that begins on the first through ninth ribs, inserting at the front of the scapula. (urbanwellnessclinic.com)
Anteriorly and laterally1
- The acromion extends anteriorly and laterally from the scapular spine and articulates with the clavicle, forming the acromioclavicular joint. (orthopaedia.com)
Levator1
Rotator cuff muscles1
- The intrinsic muscles of the scapula include the rotator cuff muscles: supraspinatus, infraspinatus, subscapularis, and teres minor-the first three named according to the fossa in which they reside. (orthopaedia.com)
Spine12
- It extends laterally to the spine of the scapula therefore aiding in scapulae stabilization and movement. (markgiubarelli.com)
- Medial edge of the superior surface of the acromion process of the scapula and the superior edge of the scapular spine. (markgiubarelli.com)
- Posteriorly, the scapula is divided into a supraspinous fossa and infraspinous fossa by the scapular spine. (radiopaedia.org)
- Laterally is the glenoid fossa , anteriorly is the coracoid process and superiorly is the acromion that is continuous with the scapular spine and arcs anteriorly over the humeral head. (radiopaedia.org)
- The scapular spine is located on the dorsal surface of the scapula and separates the supraspinatus and infraspinatus muscles. (orthopaedia.com)
- The parts of them that we can feel beneath beneath the skin can be seen in this dissection: here's the spine of the scapula, here's the clavicle. (aclandanatomy.com)
- A prominent bony ridge, the spine of the scapula, arises from the dorsal surface, and divides it into the supraspinous fossa, and the infraspinous fossa. (aclandanatomy.com)
- the spine subdivides the posterior surface of the scapula into a small supraspinous fossa and a larger infraspinous fossa. (mhmedical.com)
- Located on the posterior surface of the scapula and superior to the spine of the scapula. (mhmedical.com)
- laterally it is attached to the spine of the scapula and to the clavicle, and is continued over the deltoid region to the arm. (co.ma)
- triangular flat tendon, beneath which a bursa is placed into a rough tuberosity at the base of the spine of the scapula (Fig. 328, p. 367). (co.ma)
- The fibres inserted into the clavicle, acromion, and the upper border of the spine of the scapula spread over the adjacent subcutaneous surfaces of those bones for a variable distance. (co.ma)
Margin of the scapula3
- These muscle fibers originate specially from the upper margin of the scapula . (earthslab.com)
- The inferior belly emerges on the upper margin of the scapula. (earthslab.com)
- The inferior lateral border, passes over the upper edge of the latissimus dorsi and the vertebral margin of the scapula, and forms a boundary of the so-called triangle of auscultation, which is completed, below, by the latissimus dorsi, and, laterally, by the vertebral margin of the scapula. (co.ma)
Thorax3
- Figure 1: Anterior view of the thorax showing the scapulae in gold (left) and posterior view showing them in red (right). (orthopaedia.com)
- The scapula and clavicle articulate with the bones of the thorax at one point only, here, at the sternoclavicular joint. (aclandanatomy.com)
- The thin body of the scapula lies flat against the posterior thorax and widens laterally to form the glenoid fossa. (nursenacole.com)
Anterior6
- The scapula constitutes the posterior aspect of the shoulder girdle, with its ventral (anterior) surface articulating with the posterior chest wall. (orthopaedia.com)
- Anterior ( D ) and posterior ( E ) views of the scapula. (mhmedical.com)
- This joint allows considerable mobility, enabling the clavicle and scapula to move in upward/downward and anterior/posterior directions during shoulder movements. (pressbooks.pub)
- Because the way we cue in strength training can completely miss the serratus anterior, a muscle that helps move and stabilize the scapula, controls rib movement, and plays a major role in breathing. (urbanwellnessclinic.com)
- Bottom line: The serratus anterior allows us to rotate the arm forward, pulling the scapula forward and laterally and lift the arm above 90 degrees. (urbanwellnessclinic.com)
- Each transverse process consists of a posterior and anterior tubercle, which meet laterally to form a costotransverse bar. (medscape.com)
Muscles attach to the scapula1
- Seventeen muscles attach to the scapula. (orthopaedia.com)
Bone10
- The scapula is surrounded by an arterial anastomosis, the scapular anastomosis which aims to ensure an adequate supply of blood to the upper limb, but has the added benefit of adequate supply to the bone itself. (radiopaedia.org)
- It originates from the apex of each of the scapulae and afterwards travels upwards via the neck and also connects towards the base of the hyoid bone . (earthslab.com)
- The bones that connect the upper extremity to the trunk are the clavicle, or collar bone, and the scapula, or shoulder blade. (aclandanatomy.com)
- The scapula is a much more complicated bone. (aclandanatomy.com)
- Acromion is a hook-like process present laterally out of the shoulder blade of scapula bone of the shoulder joint. (cortho.org)
- The scapula is a flat triangular bone that forms the posterior aspect of the shoulder girdle. (nursenacole.com)
- Laterally, the posterior border becomes more rounded, and is confluent with the posterior edge of the acromial end at a point where there is a marked outgrowth of bone from its inferior surface, the tuberositas coracoidea. (co.ma)
- The inferior surface of the acromial end of the bone is traversed obliquely from behind forwards and laterally by a rough ridge or line called the trapezoid ridge. (co.ma)
- The scapula is a flat, triangular-shaped bone with a prominent ridge running across its posterior surface. (pressbooks.pub)
- In the neck it is attached, above, to the superior nuchal line of the occipital bone, and is continuous, laterally, with the deep cervical fascia. (co.ma)
Stabilize1
- Have the patient repeat this movement and this time stabilize the scapula with one hand and gently apply overpressure to the joint into flexion, note any pain with this movement. (wikidot.com)
Extends3
- The coracoid extends anteriorly and superiorly from the neck of the scapula. (orthopaedia.com)
- This ridge extends out laterally, where it forms the bony tip of the shoulder and joins with the lateral end of the clavicle. (pressbooks.pub)
- First, anchored by muscles from above, it serves as a strut that extends laterally to support the scapula. (pressbooks.pub)
Glenoid1
- The glenoid is an area of articular cartilage on the lateral aspect of the scapula, where the humeral head articulates with the scapula to form the glenohumeral joint. (orthopaedia.com)
Upward1
- The fibers run laterally and in an upward direction before becoming a tendon . (wise-geek.com)
Teres minor1
- The origin of the teres minor is on the dorsal exterior of the scapula . (wise-geek.com)
Medial3
- The scapula is described as having superior, medial, and lateral borders. (radiopaedia.org)
- The borders of the scapula are the superior border, medial border, and lateral border. (orthopaedia.com)
- B) Downward (medial) rotation of the scapula. (orthopaedia.com)
Clavicle and the scapula1
- Here's how the clavicle and the scapula look in the living body. (aclandanatomy.com)
Acromial2
- Acromial spur is an osteophyte formed on the under surface of the acromion, which is lateral process out of the shoulder blade of the scapula. (cortho.org)
- The lateral or acromial end of the clavicle articulates with the acromion of the scapula, the portion of the scapula that forms the bony tip of the shoulder. (pressbooks.pub)
Inferiorly3
- The main part of the scapula, the body, consists of a somewhat triangular-shaped flat blade, with an inferiorly pointing apex, referred to as the inferior angle as well as lateral and superior angles. (radiopaedia.org)
- While it can be seen laterally and inferiorly, the shape of. (blogspot.com)
- Stability is provided between the collarbone and the coracoid process of the scapula inferiorly by the conoid and trapezoid components of the CC ligament. (stemgeeks.net)
Biceps1
- The extrinsic muscles of the scapula include the biceps, triceps, and deltoid. (orthopaedia.com)
Bony3
- The scapula is roughly triangular, but there are several bony prominences of significant importance. (orthopaedia.com)
- Apart from this one very movable bony linkage, the scapula is held onto the body entirely by muscles. (aclandanatomy.com)
- By following along the clavicle, you can palpate out to the bony tip of the shoulder, and from there, you can move back across your posterior shoulder to follow the ridge of the scapula. (pressbooks.pub)
Articulates5
- The lateral end of the clavicle articulates with this projection on the scapula, the acromion, forming the acromio-clavicular joint. (aclandanatomy.com)
- At the lateral end this smaller surface articulates with the scapula. (aclandanatomy.com)
- The clavicle articulates with the scapula here, at the tip of the acromion. (aclandanatomy.com)
- Articulates laterally with the acromion of the scapula and forms the acromioclavicular joint . (mhmedical.com)
- The lateral end of the clavicle articulates (joins) with the scapula just above the shoulder joint. (pressbooks.pub)
Brachial plexus1
- The brachial plexus supplies all of the cutaneous innervation of the upper limb, except for the area of the axilla (which is supplied by the supraclavicular nerve) and the dorsal scapula area, which is supplied by cutaneous branches of the dorsal rami. (medscape.com)
Vertebral1
- En esta contribución se describe detalladamente un ejemplar de Proterochampsa barrionuevoi (PVSJ 606), incluyendo el cráneo, toda la serie vertebral, escápulas, coracoides, cintura pélvica, húmero derecho, radio y ulna del mismo lado, ambos fémures y miembro posterior derecho casi completo. (blogspot.com)
Winging1
- Preoperatively, the extent of scapula winging was severe in 10 of 21 patients (48%) and moderate in other 11 of 21 patients (52%) [ Table 1 ]. (surgicalneurologyint.com)
Axial1
- Together with the scapula, it connects the axial and appendicular skeletons. (stemgeeks.net)
Abduction1
- Injury to the LTN can cause weakness or paralysis of the SA muscle, which stabilizes the scapula and supports the shoulder abduction. (surgicalneurologyint.com)
Acromioclavicular1
- The acromioclavicular ligament is formed laterally when the clavicle and acromion articulate. (stemgeeks.net)
Continuous1
- Laterally, the space is continuous with the parapharyngeal space and bound by the carotid sheath. (medscape.com)
Shoulder joint2
- In the awake patient, the chief complaint is often pain along the scapula and posterior chest wall, along with limited range of motion of the shoulder joint itself. (orthopaedia.com)
- This in turn holds the shoulder joint superiorly and laterally from the body trunk, allowing for maximal freedom of motion for the upper limb. (pressbooks.pub)
Ridge1
- Phylogenetic analyses using parsimony and Bayesian inference posit Iani as a North American rhabdodontomorph based on the presence of enlarged, spatulate teeth bearing up to 12 secondary ridges, maxillary teeth lacking a primary ridge, a laterally depressed maxillary process of the jugal, and a posttemporal foramen restricted to the squamosal, among other features. (bvsalud.org)
Elevation1
- Figure 2: A) The 4 straight motions of the scapula: elevation (purple arrow), depression (red arrow), protraction (yellow arrow), and retraction (green arrow). (orthopaedia.com)
Upper2
- The Clavicle and Scapula are both considered to be part of the shoulder girdle, the structure that supports the appendages of the upper body. (elliottelford.com)
- Because of its strut-like mechanics, the scapula is able to slide effortlessly along the posterior wall, which is essential for complete mobility in the upper extremities. (stemgeeks.net)
Consists1
- This consists of two bones, the scapula and clavicle (Figure 11.1.1). (pressbooks.pub)
Ventral1
- Remove the ventral rib cage, both scapulae, and the lower limbs and pelvis. (jove.com)
Supraclavicular1
- The supraclavicular nerves were identified and retracted laterally. (surgicalneurologyint.com)
Muscle1
- The muscle has been reflected laterally from its origin. (stanford.edu)