WebLatissimus Dorsi. Origin: Spinous processes of inferior 6 thoracic vertebrae, thoracolumbar fascia, iliac crest, and inferior 3 or 4 ribs. Insertion: Floor of intertubercular groove of humerus. Action: Extends, adducts, and … WebAug 8, 2024 · Intertubercular Groove. A deep intertubercular sulcus a.k.a. bicipital groove or intertubercular groove divides the lesser and greater tubercles and afterwards proceeds interiorly over the proximal …
Sulcus intertubercularis definition of sulcus ... - Medical Dictionary
Webfloor of intertubercular sulcus. extend, adduct, medially rotate humerus. thoracodorsal nerve. Teres minor: inferior angle and inferior lateral border of scapula. medial lip of intertubercular sulcus. extend, adduct, medially rotate humerus. lower subscapular nerve. Deltoid: lateral 1/2 of clavicle, acromion, scapular spine. deltoid tuberosity. WebJan 27, 2024 · Which is the correct definition of the intertubercular sulcus? in·ter·tu·ber·cu·lar 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. howard chung
Humerus: Anatomy and clinical notes Kenhub
WebAJR:141, October 1983 BICIPITAL GROOVE 783 Fig.3.-Normal bicipital groove projection. Photograph (A)andradiograph (B)ofhumerab specimen shownormalbicipital grooveasseenin projection described intext.Notethatwallsof intertubercular sulcus aresmooth andwellde-fined.Humeral tuberosities alsoarewelldemon-strated. MedialWallAngle Web1. Which muscle is inserted into the floor of the intertubercular sulcus of the humerus? a) Latissimus dorsi b) Teres major c) Pectoralis major d) Deltoid Correct Answer - A Ans. is 'a' i.e., Latissimus dorsi The shaft of humerus is cylindrical in the upper half and triangular on cross-section in the lower half. The upper part has intertubercular WebJun 14, 2024 · Insertion: Humerus, floor of intertubercular groove. Actions. 1. Shoulder extension. 2. Shoulder adduction. 3. Shoulder internal rotation. 4. Assists in scapula … howard chu marsh