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: ✴️Shoulder joint (GHJ) is innervated by articular branches of: -SUPRASCAPULAR, -AXILLARY, -SUBSCAPULAR, -LATERAL PECTORAL, -MUSCULOCUTANEOUS nerves Current literature supports the presence of a common sensory innervation pattern

Dr. OMID BANDARCHI on X: ✴️Muscles involved in moving the shoulder complex are organized into following groups which in 2 parts will be presented(part 2 in comment): • INTRINSIC shoulder muscles •

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: 🔴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: A few radiographs of shoulder ,including normal as well as abnormal images. When assessing for joint disruption (esp AC joint) you will need to be familiar with

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: 🔴Muscles that position & stabilize the pectoral girdle are located on the thorax. 🌕The anterior thoracic muscles are the SUBCLAVIUS, PECTORALIS MINOR, SERRATUS ANTERIOR. 🌕The posterior thoracic

Dr. OMID BANDARCHI on X: SHOULDER MUSCLES: a) anterior view b) anterior view while pectoralis & deltoid muscles removed. c) posterior view while deltoid & trapezius removed / X

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: 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

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)

X-এ Dr. OMID BANDARCHI: Muscles to elevate the scapula: This movement facilitated by several muscles & it's useful to distinguish these as PRIMARY MOVERS & STABILIZERS. 🔴Primary movers: Trapezius (its upper fibers)

Dr. OMID BANDARCHI on X: SCAPULA • Flat,triangular-shaped, with 3 angles, 3 borders, an anterior & posterior surface • Along with the clavicle, it forms the shoulder or pectoral girdle, connecting the

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