Notes in G17 Upper Limb Overview

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Published	11/02/2024	superficial fascia contains (4):{{c1::adipose tissuecutaneous nervessuperficial veinslymphatics}}
Published	11/02/2024	{{c1::deep}} fascia: fibrous, dense connective tissue that encloses the upper limb structures and includes the {{c1::brachial fascia}}, {{c1::antebrac…
Published	11/02/2024	{{c1::Brachial}} fascia: encloses the arm mm. and neurovascular structures; continuous superiorly with the deltoid, pectoral, axillary, and infraspino…
Published	11/02/2024	{{c1::Antebrachial}} fascia: a continuation of the brachial fascia that invests forearm structures
Published	11/02/2024	{{c1::Lateral/medial intermuscular septum}}: extension of the brachial/antebrachial fasciae that attaches to the shafts of the humerus or radius and u…
Published	11/02/2024	{{c1::Flexor/extensor retinaculum:}} a transverse band-like thickening of antebrachial fascia that attaches to the radius, ulnar and carpals to preven…
Published	11/02/2024	arm compartments are separated by the shaft of the {{c1::humerus}} and {{c1::medial and lateral intermuscular septae}}
Published	11/02/2024	forearm compartments are separated by the shaft of the {{c1::radius and ulna}}, the {{c1::interosseous membrane}}, and the {{c1::medial and lateral in…
Published	11/02/2024	anterior compartment of arm:actions: {{c1::flexors of elbow}}innervation: {{c1::anterior divisions of brachial plexus}}blood: {{c1::brachial a.}}
Published	11/02/2024	posterior compartment of armactions: {{c1::extensor of elbow}}innervations: {{c1::posterior division of brachial plexus}}blood: {{c1::brachial a.}}
Published	11/02/2024	anterior compartment of forearmactions: {{c1::flexors & pronators of wrist + hand joints}}innervations: {{c1::anterior divisions of brachial plexu…
Published	11/02/2024	posterior compartment of forearmactions: {{c1::extensors & supinators of wrist + hand joints}}innervations: {{c1::posterior divisions of brachial …
Published	11/02/2024	upper limb is innervated by {{c1::brachial plexus}} which is formed by anterior rami of {{c1::C5-8 & T1}} spinal levels
Published	11/02/2024	which regions of the upper limb are supplied by a single spinal nerve with no overlap ({{c1::autonomous sensory zone}})?{{c1::Digit 1 (thumb): C6}}{{c…
Published	11/02/2024	sensory information from the lateral (thumb) side of the upper limb is conveyed by the {{c1::cranial}} side of spinal segments
Published	11/02/2024	sensory information from the medial (pinky) side is conveyed by the {{c1::caudal}} side of spinal segments
Published	11/02/2024	Cutaneous innervation/field: {{c1::a specific region of skin supplied by a named peripheral n.}}
Published	11/02/2024	how can one specify if a nerve injury is at the cutaneous level or the dermatomal level?
Published	11/02/2024	{{c1::Subclavian a.}} is a primary source of blood for the shoulder, pectoral region, arm and forearm.
Published	11/02/2024	branches of the subclavian a. supply the {{c1::neck}} and {{c1::shoulder}} structures
Published	11/02/2024	Subclavian a. becomes {{c1::axillary a.}} after passing the 1st rib and its branches supply the {{c1::shoulder}} and {{c1::pectoral}} regions
Published	11/02/2024	axillary a. becomes the {{c1::brachial a}}. after crossing the inferior border of the {{c1::teres major m.}}
Published	11/02/2024	Brachial a. supplies the {{c1::arm}} and gives off the {{c1::deep brachial a}}. to the posterior arm
Published	11/02/2024	Brachial a. distally passes the {{c1::anterior aspect of the elbow}} (in the cubital fossa) and terminates by splitting into {{c1::radial a.}} lateral…
Published	11/02/2024	Radial and ulnar aa. supply the {{c1::forearm}}
Published	11/02/2024	Radial and ulnar aa. distally terminate by forming {{c1::superficial and deep palmar arches}} that supply the {{c1::hand}}
Published	11/02/2024	the superficial and deep vv. drain into the {{c1::subclavian v.}} followed by the {{c1::superior vena cava}} and then the {{c1::right atrium of the he…
Published	11/02/2024	the superficial vv of the upper limb consist of (3):{{c1::cephalic v.basilic v.median cubital v.}}
Published	11/02/2024	cephalic v. arises from the dorsal venous network on the {{c1::dorsal}} side of the hand and ascends the {{c1::lateral}} aspect of the upper limb
Published	11/02/2024	the cephalic v. courses within the {{c1::deltopectoral triangle}} and drains into the {{c1::axillary v.}}
Published	11/02/2024	the basilic v. arises from the dorsal venous network on the {{c1::dorsal}} side of the hand and ascends on the {{c1::medial}} aspect of the upper limb
Published	11/02/2024	the basilic v. joins the {{c1::brachial vv.}} and drains into the {{c1::axillary v. }}
Published	11/02/2024	the {{c1::median cubital v.}} connects the cephalic and basilic vv.
Published	11/02/2024	what are the venae comitantes?
Published	11/02/2024	All lymph from the upper limb drains into {{c1::axillary lymph nodes}}
Published	11/02/2024	R upper limb lymphatics drain into {{c1::R lymphatic duct}} at the R venous angle
Published	11/02/2024	L upper limb lymphatics drain into the {{c1::thoracic duct}} at the L venous angle
Published	11/02/2024	flow of lymph:{{c1::Axillary lymph nodes}} → {{c1::R lymphatic duct (or L thoracic duct)}}→ {{c1::R (or L) venous angle}} → {{c1::venous system}}
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