Notes in G20 Posterior Forearm & Dorsum of Hand

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Published	11/02/2024	which 3 joints make up the elbow joint capsule?{{c1::humeroulnar jointhumeroradial jointproximal radioulnar joint}}
Published	11/02/2024	the humeroulnar joint is a {{c1::synovial hinge}} joint located b/w the {{c1::trochlea of the humerus}} and the {{c1::trochlear notch of the ulna}}
Published	11/02/2024	the humeroulnar joint is involved in what movements?{{c1::flexion/extension}}
Published	11/02/2024	within the humeroulnar joint are the {{c1::ulnar collateral (medial)}} ligament and {{c1::radial collateral (lateral)}} ligament
Published	11/02/2024	the humeroradial joint is located b/w the {{c1::capitulum of the humerus}} and the {{c1::head of the radius}}
Published	11/02/2024	the proximal radioulnar joint is a {{c1::synovial pivot}} joint located b/w the {{c1::head of the radius}} and {{c1::radial notch of the ulna}}
Published	11/02/2024	the proximal radioulnar joint is involved in what movements?{{c1::supination/pronation}}
Published	11/02/2024	the annular ligament is found within the {{c1::proximal radioulnar}} joint and holds the head of the {{c1::radius}} within the {{c1::radial notch…
Published	11/02/2024	the middle radioulnar joint is a {{c1::fibrous}} joint found lined by the {{c1::interosseous membrane}} of the radius and ulna
Published	11/02/2024	the distal radioulnar joint is a {{c1::synovial pivot}} joint located b/w the {{c1::articular surface of the ulnar head}} and the {{c1::ulnar not…
Published	11/02/2024	during supination/pronation of the forearm, the distal radioulnar joint causes what to happen?supination: {{c1::radius rotates parallel the ulna}}pron…
Published	11/02/2024	the superficial posterior forearm mm. share an origin at the {{c1::lateral epicondyle of the humerus (5 muscles)}} and {{c1::lateral supracondyla…
Published	11/02/2024	the deep posterior forearm mm. originate from the {{c1::interosseous membrane}} and/or {{c1::radius and ulna}}
Published	11/02/2024	the general action of the posterior forearm muscles is to {{c1::extend the wrist and fingers}} and {{c1::supinate the forearm}}
Published	11/02/2024	all posterior forearm muscles are supplied by the {{c1::ulnar a.::artery}} and innervated by the {{c1::radial n.::nerve }}
Published	11/02/2024	extensor expansions are extensions of the extensor digitorum that wrap around the {{c1::metacarpal head and phalanges }}
Published	11/02/2024	the deep palm mm. attach to extensor expansions to produce {{c1::flexion of MCP joints}} and {{c1::extension of IP joints}}
Published	11/02/2024	{{c1::lateral epicondylitis ("tennis elbow")}} is the inflammation of the lateral epicondyle of humerus
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Published	11/02/2024	the mnemonic for remembering the superficial forearm muscles (7) is:{{c1::"Beer Lifting Break Dancing Muscles Unless Atrophied"BrachiradialisExte…
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Published	11/02/2024	the mnemonic for remembering the deep posterior forearm mm (5) is:{{c1::"Syrup and Peanuts Preferably Included"SupinatorAbductor policis longusExtenso…
Published	11/02/2024	the deep brachial n. supplies all of the posterior forearm mm. except for the {{c1::brachioradialis}}, {{c1::extensor carpi radialis longus}}, and {{c…
Published	11/02/2024	in the posterior forearm, the radial n. is deep to the {{c1::brachioradialis}} and then splits into superficial and deep branchesdeep br. pierces {{c1…
Published	11/02/2024	{{c1::proximal}} injury of the {{c1::radial n.}} results in weakened extension of elbow, wrist, and fingers at MCP joints (“wrist drop”)
Published	11/02/2024	{{c1::distal}} injury of the {{c1::radial n.}} affect the extensor compartment of forearm resulting in a weakened ability to extend the wrist or …
Published	11/02/2024	in the posterior forearm, the radial a. travels through the floor of the {{c1::anatomical snuffbox}}
Published	11/02/2024	venous drainage of superficial posterior forearm & dorsal hand:{{c1::Dorsal venous network (over metacarpals)}} → {{c1::cephalic v.}} laterally &a…
Published	11/02/2024	venous drainage of deep posterior forearm & dorsal hand:{{c1::superficial & deep venous palmar arches}}→ {{c1::radial & ulnar vv.}} → {{c1…
Published	11/02/2024	the {{c1::anatomical snuffbox}} is a triangular depression on the posterolateral side of the wrist
Published	11/02/2024	boundaries of the anatomical snuffbox:{{c1::Medially}}: Tendon of extensor pollicis longus m. {{c1::Laterally}}: Tendons of abductor pollicis longus &…
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Published	11/02/2024	fx of midshaft of humerus would damage the {{c1::radial}} nerve
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