Dr. OMID BANDARCHI on X: Anterior shoulder muscles, also called the pectoral muscles, attach the upper extremity to the clavicle and the thoracic cage. These muscles include the pectoralis major, pectoralis minor
Dr. OMID BANDARCHI on X: In shoulder x-ray don't forget: ✔️Acromioclavicular joint injury. If AC distance >8mm [some references say >7mm(males), >6mm(females): ABNORMAL👉acromioclavicular injury. ✔️To assess coracoclavicular ligament, CC distance
Dr. OMID BANDARCHI on X: Muscles of shoulder ABDUCTION (supraspinatus, deltoid, serratus anterior) and muscles of EXTERNAL ROTATION of shoulder (infraspinatus, teres minor, deltoid) shown. Also the way we can examin shoulder
Dr. OMID BANDARCHI on X: 🔴The skeletal muscles based on the patterns of fascicle arrangement, can be classified in 7 different shapes: ✔️PARALLEL-FUSIFORM. ✔️CIRCULAR=sphincters. ✔️CONVERGENT. ✔️PENNATE (penna=feathers). ✔️UNIPENNATE
Dr. OMID BANDARCHI on X: ✴️Absolutely Wonderful classification of the muscles of upper limb by their innervation👍 ✔️Almost all muscles of upper limb innervated by brachial plexus arising from spinal cord segments
Dr. OMID BANDARCHI on X: As you can see in the image ,the 5 joints of the shoulder shown. Besides, the two ligamentous attachments between the clavicle & first rib (costoclavicular lig)
Dr. OMID BANDARCHI on X: Presence of a common sensory innervation pattern for human shoulder j proved.Suprascapular,Lat pectoral, Axillary nerves are most common parent nerves supplying articular branches to shoulder j. To
Dr. OMID BANDARCHI on X: Anterior shoulder muscles, also called the pectoral muscles, attach the upper extremity to the clavicle and the thoracic cage. These muscles include the pectoralis major, pectoralis minor
Dr. OMID BANDARCHI on X: The greater tuberosity of the humerus with its 3 facets ,serves as the point of attachment for three of the rotator cuff muscles,as mentioned in detail. So,Fx
Dr. OMID BANDARCHI on X: A wonderful GIF👍 from SUBSCAPULARIS MUSCLE: a powerful triangle-shaped & one of the 4 muscles of rotator cuff apparatus. Origin: subscapular fossa. Insertion: lesser tubercle of
Dr. OMID BANDARCHI on X: Actions of the 3 parts of DELTOID MUSCLE depend on their relationship to the position of humerus & its axis of motion. At less than 60°, muscles