The lady between two majors teres major to medial lip of groove. Muscles of the shoulderarm questions and study guide. Ligamentous attachment of shoulder joint, sit of the epiphyseal plate. Original article correlation between anatomical parameters of intertubercular sulcus and retroversion angle of humeral head zhaoxun pan1, jun chen2, lianjun qu 1, yan cui1, chao sun, hongxin zhang 1, xiaoming yang, qingli guan1 1department of joint surgery, the eightyninth hospital of peoples liberation army, weifang 261021, china. Roughening on the lateral and medial edges and on the floor of the intertubercular sulcus mark sites for the attachment of the pectoralis major, teres major, and latissimus dorsi muscles, respectively. For health advice in particular, but not exclusively, before acting on any of the advice, you shall confirm that such action is applicable and suitable by referring to your physician or other qualified healthcare professional or attaining the second and third opinion of other medical practitioners. Correlation between the retroversion of the humeral head and. Bicipital groove of humerus, intertubercular groove of humerus, sulcus intertubercularis humerus, intertubercular sulcus part of humerus description this groove, as its name suggests, runs between the greater and lesser tubercles at the proximal end of the humerus. Inferior angle of scapula to medial lip of intertuberculr sulcus of humerus spinous processes of t6t12 to floor of intertubercular sulcus of humerus. Anterior skeleton iliac fossa intertubercular sulcus of.
The intertubercular sulcus, also known as the intertubercular groove, or bicipital groove, is a groove separating the greater and lesser tubercles of the humerus. Anterior ridge extends to lateral lip of intertubercular sulcus. Also, the transverse ligament of the shoulder attaches here. Shoulder muscles origin and attachment anatomy 502 with davies at the university of findlay studyblue flashcards. Intertubercular sulcus an overview sciencedirect topics.
Intertubercular groove definition of intertubercular. It consists of a long head of biceps, wrapped in the synovial sheath and b ascending branch of the anterior circumflex humeral artery. Musadiq khan durrani 12 muscle attachments lesser tubercle. Three muscles are inserted in the region of the intertubercular sulcus. The bicipital groove lodges the long tendon of the biceps brachii between the tendon of. The upper extremity consists of a large rounded head joined to the body by a constricted portion called the neck, and two eminences, the greater and lesser tubercles.
An intertubercular sheet is fitted to the tuberosities fig. Based on the position of its major joints, the upper limb is divided into shoulder, arm, forearm, and hand. Intertubercular sulcus, ask a doctor about intertubercular. The depth of the sulcus gradually increases and reaches its maximum of 4. The latter is practically the intertubercular plane of cunningham, who pointed out that its level corresponds with the prominent and easily defined tubercle on the iliac crest about 5 cm. Intertubercular sulcus of humerus is a groove separating the greater and lesser tubercles of the humerus. The shoulder is the area of upper limb attachment to the trunk. The arm is between the shoulder and the elbow joint. Lattisimus dorsi tendon of long head of biceps passes through this grrove crest of lesser tubercle.
Some images used in this set are licensed under the creative commons through. It provides attachment for the coracobrachialis muscle around its midportion, while the distal half of the surface is largely covered by the medial portion of the brachialis muscle. The bicipital groove also known as the intertubercular sulcus or sulcus intertubercularis is the indentation between the greater and lesser tuberosities of the humerus that lodges the biceps tendon. The attachment of the pronator teres tendon was located between those of the medial intermuscular septum and the common flexor tendon at the superior aspect of the epicondyle, extending laterally to the epicondylar ridge and extending inferiorly to the summit of the anterosuperior tubercle but never reaching the intertubercular sulcus. College of allied health and sciences by hermizan halihanafiah bsc biomedicine hons ukm shoulder joint and humerus. The anteromedial surface is located between the anterior and medial borders of the shaftbody, beginning proximally at the floor of the intertubercular sulcus. A total of 200 matched unpaired adult humeri 100 right and 100 left, collected from the department of anatomy, were used to measure four parameters of the intertubercular sulcus namely, width x 1, depth x 2, angle of medial wall x 3 and angle of lateral wall x 4 and to note the presence of supratubercular ridge of meyer x 5. Study 27 shoulder muscles origin and attachment flashcards from amanda c. During development two of the muscles, the pectoralis major and latissimus dorsi, migrated back onto the trunk wall to increase their mechanical efficiency and leverage at the shoulder joint.
Infraspinous fossa of the scapula to greater tubercle of the humerus. The bones of the shoulder include the scapula, clavicle, and proximal end of the humerus. The peripheral capsular attachment of the medial meniscus is continuous, but the attachment of the lateral meniscus is interrupted by the popliteal hiatus, through which passes the popliteal tendon fig. Intertubercular sulcus article about intertubercular. M benjamin, j r ralphs, r l newell, and e j evans department of anatomy, university of wales college of cardiff, uk. The fibers of these two muscles run parallel to each other and both muscles insert at the crest of the lesser tubercle of the humerus also described as the medial lip of the intertubercular sulcus. Intertubercular bursa definition of intertubercular bursa. Bicipital groove, sulcus intertubercularis intertubercular groove a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its.
Bicipital groove, sulcus intertubercularis intertubercular groove a furrow running down the shaft of the humerus between the two tubercles, lodging the tendon of the long head of the biceps, and giving attachment in its floor to the latissimus dorsi muscle. Handedness identification from intertubercular sulcus of the. Shoulder joint musculoskeletal, skeletal anatomyzone. Upper limb arm flashcards by jenny griffiths brainscape. Have the subjects arm against their body with the elbow bent to 90 degrees. Intertubercular sulcus definition of intertubercular sulcus. Together with teres minor muscle, teres major muscle forms the axillary space, through which several important arteries and veins pass. And lastly weve got this ligament called the coracohumeral ligament because it attaches from the coracoid process to the humerus. Learn intertubercular sulcus groove of humerus with free interactive flashcards. The pectoralis major from latin pectus, meaning breast is a thick, fanshaped muscle, situated at the chest of the human body. Xray humerus tangential intertubercular groove youtube. Intertubercular sulcus article about intertubercular sulcus. A bursa lies between the scapula and the chest wall, and allows the scapula to move over the chest wall.
Thethe intertubercular sulcus, also known as the intertubercular groove, or bicipital groove, is a groove separating the greater and lesser tubercles of the humerus. The dimensions and morphology of a critical zone of the intertubercular sulcus its of the humerus were specified for 100 dry bones. Anatomical analysis of bicipital groove of dry adult. Pdf 3d bicipital groove shape analysis and relationship to. The lateral aspect of this tubercle forms the medial margin of the intertubercular sulcus. Principles of human anatomy 12th edition pdf free download. Feb 23, 2012 xray humerus tangential intertubercular groove xraysbyzach. The bicipital groove intertubercular groove, sulcus intertubercularis is a deep groove on the. I intertubercular sulcus of humerus, tendon fused with tendon of latissimus dorsi n lower subscapular nerve a adducts, extends, rotates arm medially, synergist with latissimus dorsi usually called latissiums drosss little helper holds head of hummers in place against pull of deltoid.
That cat retains a small remnat of the clavicle that can be seen on radiograph. Intertubercular sulcus bicipital groove the intertubercular sulcus of the humerus is a vertical groove between lesser and greater tubercles. It runs posteriorly from the frontal pole, parallel to the interhemispheric. The position angle of intertubercular sulcus was 35. The greater and lesser tubercles of humerus are separated from each other by a deep groove, the intertubercular groove bicipital groove, which lodges the long tendon of the biceps brachii and transmits a branch of the anterior humeral circumflex artery to the shoulderjoint. Study upper limb arm flashcards from jenny griffithss university of aberdeen class online, or in brainscapes iphone or android app. Intertubercular sulcus and the greater tubercle of the humerus. Intertubercular sulcus or bicipital groove between greater and lesser tubercle. Choose from different sets of intertubercular sulcus groove of humerus flashcards on quizlet. Prominent only in the lower region where it forms lateral supracondylar ridge. Middle part forms the anterior region of deltoid tuberosity. Insertion floor of intertubercular sulcus of humerus. The insertion point of the latissimus dorsi is therefore sandwiched between the insertion points of the teres major and the pectoralis major. The bicipital groove lodges the long tendon of the biceps brachii between the tendon of the pectoralis major on the lateral lip and the tendon of the teres major on the medial lip.
Superior frontal sulcus radiology reference article. It makes up the bulk of the chest muscles and lies under the breast. Discuss the sequence of bones and joints that convey the forces passing from your hand, through your upper limb and your pectoral girdle, and to your axial skeleton. Anatomically intertubercular or bicipital groove is located in the anteromedial surface of the humerus. The intertubercular sulcus is the site of three important muscle attachments. Your friend runs out of gas and you have to help push his car.
Click to see the original works with their full license. The latissimus dorsi attaches to the floor of the intertubercular sulcus. The teres major attaches to the medial lip of the intertubercular sulcus. Iliac fossa intertubercular sulcus of humerus iliac fossa is to flex the hip. The intertubercular sulcus or the bicipital groove lodges the tendon of the long head of biceps arising from the supraglenoid tubercle. The upper part of the greater tubercle receives the attachment of the supraspinatus. The its axis ee0 is the line perpendicular at the intertubercular line dd0. This group of important prime movers of the shoulder joint shares numerous structural and functional features in common. Long bicipital tendon including superior labral anterior. Lateral border of scapula to greater tubercle of humerus 0000000000000000000 0000008800. Upper one third forms the lateral lip of the intertubercular sulcus. The upper part of the its was narrow and at an angle with the lower part.
Its lateral lip, medial lip and floor provide attachment of pectoralis ma. The tendon of the long head of the biceps brachii passes through this sulcus. The tendon of the long head of the biceps muscle runs in this groove and attaches on the supraglenoid tubercle of the scapula. A deep groove on the anterior surface of the upper end of the humerus, separating the greater and lesser tubercles. Start studying muscle function, attachment and location. Intertubercular sulcus synonyms, intertubercular sulcus pronunciation, intertubercular sulcus translation, english dictionary definition of intertubercular sulcus. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Can osseous landmarks in the distal medial humerus be used. Shoulder muscles origin and attachment anatomy 502 with. Anatomy and function of the tendon of the long head of the. Movements of the shoulder are actually often combined movements of the glenohumeral joint as well as movement of the scapula on the chest wall the distal end of the humerus at the elbow creates a hinge joint with the ulna, allowing only flexion and. The lesser tubercle of the humerus gives attachment to the subscapularis muscle. Measurements of the maximum width and depth of the intertubercular sulcus its and the angles formed by the medial and lateral walls of the its with the plane of its floor were recorded in 200 adult human humeri, 100 each from the right and left sides. There is a deep groove separating the two tubercles, which is called the intertubercular sulcus. Jan 15, 20 how to get rid of muscle knots in your neck, traps, shoulders, and back duration. Fractures of the proximal humerus involving the intertubercular.
It appears slightly thickened curved arrow as it crosses the intertubercular sulcus. Intertubercular sulcus definition of intertubercular. What function does the intertubercular sulcus serve. I hope you find it helpful in your studies for nbde part 1. Sustained yield harvesting principles ensure that the number of trees cut each year does not exceed the amount of new growth. The tendon of the long head of the biceps muscle runs in this groove and. It then tapers gradually toward the distal end of the groove. I intertubercular sulcus of humerus, tendon fused with tendon of latissimus dorsi n lower subscapular nerve a adducts, extends, rotates arm medially, synergist with latissimus dorsi usually called latissiums drosss little helper holds head of. Variations in the intertubercular sulcus of the humerus. The shoulder joint is a synovial ball and socket joint and allows for a wide range of movements such as flexion, extension, abduction, adduction, medial and lateral rotation and circumduction r. Intertubercular sulcus musculoskeletal, skeletal anatomyzone. Biceps brachii, brachialis, coracobrachialis, and brachioradialis which attaches very distally, act to flex the elbow. Pectoralis major, teres major and latissimus dorsi, which all insert at the intertubercular groove of the humerus, adduct and medially rotate the humerus.
Anatomy exam 2 flashcards flashcard machine create, study. It connects the scapula and the two bones of the lower arm, the radius and ulna. The depth of the bg on s is determined as shown in figure 9. Intertubercular groove definition of intertubercular groove. Correlation between anatomical parameters of intertubercular. In addition, unlike the anatomy on the medial side, the lateral meniscus does not have a direct attachment to the collateral ligament. Bicipital groove of humerus, intertubercular groove of humerus, sulcus intertubercularis humerus, intertubercular sulcus part of humerus description this groove, as its name suggests, runs between the greater and lesser tubercles at the proximal end of. It attaches from the lesser tubercle to the greater tubercle. Long bicipital tendon including superior labral anteriorposterior lesions. The superior frontal sulcus is one of the major sulci of the frontal lobe, separating the superior frontal gyrus medially, from the middle frontal gyrus inferolaterally. Intertubercular sulcus of humerus bicipital groove for tendon of long head of biceps 1 pectoralis major attaches to lateral edge 2 latissimus dorsi attaches to the floor. The tendon of the long head of the biceps brachii muscle tlbb was particularly worn down during its course through this critical zone.
Study flashcards on upper limb, grays anatomy for students at. The paper in this book was manufactured by a mill whose forest management programs include sustained yieldharvesting of its timberlands. Original article correlation between anatomical parameters of. Beneath the pectoralis major is the pectoralis minor, a thin, triangular muscle. Working together these muscles form a wall that protects the internal organs and also helps to maintain an erect posture. Pdf the bicipital groove of the proximal humerus is formed by the medial and lateral tuberosities and. Palpate with broad fingers over the pectoralis major and clavicular portion of the deltoid. At each axial slice s, the intertubercular sheet appears as a line segment pq with endpoints p and q touching the tuberosities. There is differential retraction of the lesser tuberosity attachment of the subscapularis thick arrow, whereas the thin superficial continuation of the subscapularis thin arrow isintact. What muscles attach to the intertubercular sulcus of the. With your second hand, bring the patients arm into shoulder external rotation. If your institution subscribes to this resource, and you dont have a myaccess profile, please contact your librarys reference desk for information on how to gain access to this resource from offcampus.
The bicipital groove intertubercular groove, sulcus intertubercularis is a deep groove on the humerus that separates the greater tubercle from the lesser tubercle. Miscellaneous conditions of the shoulder radiology key. From superficial to deep they consist of the external abdominal obliques, the internal abdominal obliques, rectus abdominis and the transversus abdominis. If you can imagine the upper part of the shaft of humerus is cylindrical and lower part is triangul. The abdominal muscles form the anterior and lateral abdominal wall. The pectoralis major attaches to the lateral lip of the intertubercular sulcus. Intertubercular sulcus is extended distally for about 5 cm on the shaft of humerus and. The pectoralis majors primary functions are flexion, adduction, and internal rotation of the humerus. Tangential radiographs of the intertubercular groove, obtained from the shoulder. Name the bones in the wrist and hand, and describe or sketch out their locations and articulations. Loss of the fibrocartilaginous lining of the intertubercular sulcus associated with rupture of the tendon of the long head of biceps brachii. The sulcus has a width of 3 mm at its entrance and becomes progressively wider distally 8. Down the midline, from the external occipital protuberance, the nuchal ligament, the medial part of the superior nuchal line, and the spinous processes of the vertebrae c7t12.
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