Ultrastructure and Pathoanatomy of the Rotator Cuff
Muscle Mass (g) Muscle length (cm) Lf (cm) Lf/Lm Ls (μm) Sn Pennation angle (°) PCSA (cm2) Supraspinatus 34.0 ± 4.3a 8.5 ± 0.4a 4.50 ± 0.32a 0.53 ± 0.03b 3.23 ± 0.05b,c 16,655 ± 1182a 5.1 ± 0.8a 6.65 ± 0.56a Infraspinatus 78 ± 7.5a 2.1 ± 0.5c,d 6.57 ± 0.33d…
Deltoid Muscle
Fig. 26.1 Three parts of the deltoid . The anterior, middle, and posterior portions of the deltoid converge and run distally to the deltoid tuberosity on the humeral shaft The…
Sternoclavicular Joint Anatomy and Pathology
Fig. 19.1 The bony anatomy of the sternoclavicular joint including the medial clavicle, manubrium, and first rib is depicted. In addition, the sternoclavicular ligament, interclavicular ligament, costoclavicular ligament, and intra-articular…
Comparative Anatomy of the Shoulder
Fig. 1.1 Appendicular skeleton of the earliest tetrapods (rhipidistian, bony fish), where the earlier connection to the skull was lost leading to the formation of the pectoral girdle and an…
Kinematics of Scapular Motion
Fig. 28.1 Dynamic assessment to identify presence of scapular dyskinesis 28.6.3.3 Manual Muscle Testing One test advocated to assess the integrity of the lower trapezius and serratus anterior muscles is…
Glenohumeral CapsuleCapsule and Ligaments
Fig. 10.1 Arthroscopic view of the shoulder ligaments: (a) SGHL within the rotator interval. (b) MGHL as it crosses the subscapularis tendon. (c) AIGHL coursing inferiorly and obliquely More recently,…
Proximal Humerus
Fig. 3.1 Coronal cadaveric section of the right shoulder. Note the spherical head is contained by the glenoid, labrum and rotator cuff (Section prepared by the late Pau Golano) Fig….
Pathoanatomy of Glenohumeral Instability
Fig. 13.1 Bankart lesion. The Bankart lesion is the avulsion of the anterior labroligamentous structures from the glenoid rim and the most common pathologic lesion in the traumatic anterior glenohumeral…
Anatomy of Scapula Winging
and Aaron Sciascia1 (1) Shoulder Center of Kentucky, Lexington Clinic, 1221 South Broadway, Lexington, KY 40504, USA Aaron Sciascia Email: ascia@lexclin.com KeywordsWinging of the scapula Scapula dyskinesis Sick scapula 29.1 Introduction…
