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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: 🔴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: ✴️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: Great figure👏Before dig into blocks, remember👇: Brachial plexus supplies cutaneous& muscular innervation to upper extremity with EXCEPTION of: ○Trapezius muscle(accessory n). ○Shoulder cape(superficial cervical plexus
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
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: ANATOMY,LATERAL SHOULDER 🟥CORACOACROMIAL ARCH comprised of : coracoid process,acromion,coracoacromial lig 🟥Within coracoacromial arch: -long head of BT -coracohumeral lig -sup glenohumeral lig -rotator cuff interval
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: What are the three parts of the deltoid muscle? 1. clavicular (anterior) 2. acromial (middle) 3. spinal (posterior) The first clip shows acromial part of deltoid doing
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
