Wrist, MCPJ & IPJ PDF - Batterjee Medical College - 2024

anatomy of upper limb Wrist Joint, MCPJ & IPJ By Dr. Hassan Mohammed Rizk (Ph.D.) Associate Professor of Human Anatomy and Embryology  Case Study (Not to be explained) UPPER LIMB Wrist Joint, MCPJ & IPJ By Dr. Hassan Rez...

anatomy of upper limb Wrist Joint, MCPJ & IPJ By Dr. Hassan Mohammed Rizk (Ph.D.) Associate Professor of Human Anatomy and Embryology  Case Study (Not to be explained) UPPER LIMB Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 2  Objectives: by the end of this lecture the student must understand the following knowledge: UPPER LIMB  Identify and demonstrate: 1) Wrist Joint. 2) Metacarpophalangeal Joint (MCPJ). 3) Interphalangeal joints Joint (IPJ)  regarding: 1) Articular surfaces. 2) Type. 3) Ligaments. 4) Special characters. 5) Movements. 6) Stability. Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 3  Objective # ( 1 ) Wrist Joint  Type synovial – condylar (ellipsoidal) joint UPPER LIMB 1. Superior: a) distal end of the radius. b) articular disc  Articular 2. Inferior: Surfaces a) Scaphoid b) Lunate c) triquetrum Abducted, Adducted, Flexed, And Extended  Movements At The Wrist Joint (Hand). Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 4 UPPER LIMB Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 5 UPPER LIMB ULNA DOES NOT SHARE IN THE FORMATION OF THE WRIST JOINT. Because the radial styloid process extends further distally than does the ulnar styloid process, the hand can be adducted to a greater degree than it can be abducted. Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 6  Objective # ( 2 ) Metacarpophalangeal Joint UPPER LIMB  Type synovial – condylar (ellipsoidal) joint  Articular Between Each metacarpal & the Surfaces related proximal phalanx flexion and extension, and  Movements abduction and adduction Please, Revise the Lectures to Enumerate the muscles producing each movement? Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 7  Objective # ( 3 ) Proximal & Distal Interphalangeal Joint UPPER LIMB  Type synovial – hinge joint  Articular Between the adjacent phalanges Surfaces  Movements flexion and extension. Please, Revise the Lectures to Enumerate the muscles producing each movement? Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 8  Movements of Wrist Joint ( Movement of the Hand ) Movements Muscle Assisted By  Flexor carpi radialis  Flexor digitorum superficialis UPPER LIMB Flexion  Flexor carpi ulnaris  Flexor digitorum profundus  Palmaris longus.  Flexor pollicis longus.  Extensor digitorum  Extensor carpi radialis longus.  Extensor indicis Extension  Extensor carpi radialis brevis.  Extensor digiti minimi  Extensor carpi ulnaris.  Extensor pollicis longus.  Flexor carpi ulnaris. Adduction  Extensor carpi ulnaris.  Flexor carpi radialis  Abductor pollicis longus Abduction  Extensor carpi radialis longus and  Extensor pollicis longus and brevis. brevis. Radio-ulnar joints By Dr. Hassan Rezk September 7, 2024 9  Movements of 1 st Carpo - Metacarpal (CMPJ) & Metacarpo-phalangeal (MCPJ) Joints ( Movement of the Thumb ) UPPER LIMB Movements Muscle  Flexor pollicis brevis Flexion (MCPJ)  Opponens pollicis  Extensor pollicis longus Extension (MCPJ)  Extensor pollicis brevis  Adductor pollicis Adduction (CMPJ)  1st palmar interossoeus.  Abductor pollicis longus Abduction (CMPJ)  Abductor pollicis brevis Opposition (medial rotation of thumb)  Opponens pollicis. Radio-ulnar joints By Dr. Hassan Rezk September 7, 2024 10  Movements of Metacarpophalangeal & Interphalangeal Joints ( Movement of the medial four fingers and Phalanges ) Movements Muscle Assisted By UPPER LIMB  Lumbricals Flexion of Fingers and  Flexor digitorum superficialis  Palmar Interossei. Phalanges  Flexor digitorum profundus.  Dorsal Interossei.  Extensor digitorum Extension of Fingers  Extensor indicis, and Phalanges  Extensor digiti minim Adduction of Fingers  Palmar interossei. (PAD) Abduction of Fingers  Dorsal interossei. (DAB) Radio-ulnar joints By Dr. Hassan Rezk September 7, 2024 11  Case Scenario A 34-year-old female presents to the emergency department after falling on her outstretched. UPPER LIMB She reports immediate pain and swelling around her right wrist. On examination, there is tenderness over the dorsal aspect of the wrist, especially near the base of the thumb. There is a decreased range of motion, particularly with wrist extension and abduction. Pronation and supination movements are within normal. Which of the following is the most likely diagnosis? A) Distal radius fracture B) Scaphoid fracture C) Capitate fracture D) Hamate dislocation Wrist Joint, MCPJ & IPJ By Dr. Hassan Rezk September 7, 2024 12