Notes in L20 +21 Superficial Back and Posterior Shoulder

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Published 10/23/2024 SubscapularisORIGIN: {{c1::Subscapular fossa::1}}INSERTION:{{c1::Lesser tubercle of the humerus::1}}ACTION: {{c1::Medial rotation of the arm…
Published 10/23/2024 Teres MinorORIGIN: {{c1::Upper 2/3 of posterior surface of lateral border of scapula::1}}INSERTION:{{c1::Greater tubercle of the humerus::1}}ACTI…
Published 10/23/2024 Supraspinatus ORIGIN: {{c1::Supraspinous fossa of scapula::1}}INSERTION:{{c1::Greater tubercle of the humerus::1}}ACTION: {{c1::Initiat…
Published 10/23/2024 Infraspinatus ORIGIN: {{c1::Infraspinous fossa of scapula::1}}INSERTION:{{c1::Greater tubercle of the humerus::1}}ACTION: {{c1::Lateral…
Published 10/23/2024 DeltoidORIGIN: {{c1::Clavicle, acromion, scapular spine::3}}INSERTION:{{c1::Deltoid tuberosity of the humerus::1}}ACTION: {{c1::Abducts hume…
Published 10/23/2024 Teres MajorORIGIN: {{c1::Posterior surface inferior angle of the scapula::1}}INSERTION:{{c1::Medial lip of the intertubercular groove of the hume…
Published 10/23/2024 Serratus Posterior InferiorORIGIN: {{c1::Spinous processes T11-L2}}INSERTION:{{c1::Ribs 9-12}}ACTION: {{c1::Depresses ribs on expiration::1}…
Published 10/23/2024 Serratus Posterior SuperiorORIGIN: {{c1::Ligamentum nuchae, spinous processes C7-T3::2}}INSERTION:{{c1::Ribs 2-4}}ACTION: {{c1::Elevates rib…
Published 10/23/2024 Levator ScapulaeORIGIN: {{c1::Transverse processes of C1-C4}}INSERTION:{{c1::Superior angle of scapula::1}}ACTION: {{c1::Raises, laterally r…
Published 10/23/2024 Rhomboid MinorORIGIN: {{c1::Spinous processes of C7-T1}}INSERTION:{{c1::Medial border of the scapula at spine::1}}ACTION: {{c1::Flexes scapu…
Published 10/23/2024 Rhomboid MajorORIGIN: {{c1::Spinous processes of T2-T5}}INSERTION:{{c1::Medial border of the scapula, below spine::1}}ACTION: {{c1::Flexes s…
Published 10/23/2024 Latissimus DorsiORIGIN: {{c1::Thoracic/lumbar vertebrae, thoracolumbar fascia, iliac crest::3}}INSERTION:{{c1::Floor of the intertubercular groov…
Published 10/23/2024 TrapeziusORIGIN: {{c1::Superior nuchal line, external occipital protuberance, ligamentum nuchae, cervical/thoracic spinous processes::4}}INSERTIO…
Published 10/23/2024 Sensory loss can be due to a......lesion of a nerve root or spinal nerve and results in feeling from a {{c1::strip}} of skin lost...peripher…
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Published 10/23/2024 The Triangle of Auscultation includes the {{c1::trap, lat & scap, over 6th intercostal space}}
Published 10/23/2024 The vertebra prominens is at the {{c1::C7}} vertebral level
Published 10/23/2024 The IVC pierces the respiratory diaphragm is at the {{c1::T8}} vertebral level
Published 10/23/2024 The {{c1::esophagus}} pierces the {{c1::respiratory diaphragm}} is at the {{c2::T10}} vertebral level
Published 10/23/2024 The aorta pierces the respiratory diaphragm is at the {{c1::T12}} vertebral level
Published 10/23/2024 The bifurcation of the abdominal aorta is at the {{c1::L4}} vertebral level
Published 10/23/2024 The conus medullaris is at the {{c1::L1}} vertebral level
Published 10/23/2024 The umbilicus is at the {{c1::L3-L4}} vertebral level
Published 10/23/2024 The iliac crests are at the {{c1::L4}} vertebral level
Published 10/23/2024 The end of the dural sac is at the {{c1::S2}} vertebral level
Published 10/23/2024 The dermatomal landmark for the back of the head is {{c1::C2}}
Published 10/23/2024 The dermatomal landmark for the Thumb is {{c1::C6}}
Published 10/23/2024 The dermatomal landmark for the digit 3 is {{c1::C7}}
Published 10/23/2024 The dermatomal landmark for the digit 5 is {{c1::C8}}
Published 10/23/2024 The dermatomal landmark for the nipple is {{c1::T4}}
Published 10/23/2024 The dermatomal landmark for the umbilicus is {{c1::T10}}
Published 10/23/2024 Cutaneous nerves of the upper extremity are {{c1::ventral rami}} from the {{c2::brachial plexus}}
Published 10/23/2024 In the extremities, if there is sensory loss in a {{c2::stripe-like}} pattern, a problem is likely present in the {{c1::spinal cord}} or {{c1::spinal …
Published 10/23/2024 In the extremities, if there is sensory loss in a {{c2::patch-like}} pattern, a problem is likely present in a {{c1::peripheral nerve}} or {{c1::the b…
Published 10/23/2024 Superficial and intermediate (extrinsic) layers of back muscles move the {{c1::scapula}} and {{c1::humerus}}. They are innervated by {{c1::ventral ram…
Published 10/23/2024 The intrinsic (true) muscles of the back move the spine and {{c1::maintain posture}}.
Published 10/23/2024 The rotator cuff muscles are made up of the {{c1::supraspinatus}}, {{c1::infraspinatus}}, {{c1::teres minor}}, and {{c1::subscapularis}}
Published 10/23/2024 The most commonly torn rotator cuff muscle is the {{c1::supraspinatus}}
Published 10/23/2024 The quadrangular space is the space between the {{c1::teres minor}}, {{c1::teres major}}, {{c1::long head of the triceps}}, and the {{c1::lateral head…
Published 10/23/2024 The triangular space is the space between the {{c1::teres minor}}, {{c1::teres major}}, {{c1::long head}} of the {{c1::triceps}}.
Published 10/23/2024 The triangular interval is the space between the {{c1::teres major}}, {{c1::long head}} of the {{c1::triceps}}, and the {{c1::lateral}} head of the {{…
Published 10/23/2024 The suprascapular artery runs {{c1::over}} the suprascapular notchThe suprascapular nerve runs {{c1::under}} the suprascapular notch
Published 10/23/2024 The {{c2::circumflex scapular artery}} is present within the {{c1::triangular space}}
Published 10/23/2024 The {{c2::Spinal accessory nerve (CN Xl)}} exits through the jugular foramen and posterior triangle of the neck to innervate {{c1::sternocle…
Published 10/23/2024 The {{c1::Dorsal Scapular nerve (C5)}} exits from the C5 root of the brachial plexus, along the medial border of the scapula to {{c2::levator}}&n…
Published 10/23/2024 The {{c2::Thoracodorsal nerve (C6-C8)}} exits from the brachial plexus through the axilla to {{c1::latissimus dorsi}}. If injured, patient p…
Published 10/23/2024 The {{c1::Suprascapular nerve (C5,C6)}} branch of the brachial plexus travels posteriorly, under the superior transverse scapular ligament to innervat…
Published 10/23/2024 The {{c2::axillary nerve (C5,C6)}} exits in quadrangular space with the posterior circumflex humeral artery to {{c1::deltoid}} and {{c1::teres mi…
Published 10/23/2024 The {{c1::radial nerve (C5-T1)}} innervates the {{c2::triceps}}/{{c2::upper extremity extensors}} and is in the triangular interval/spiral groove…
Published 10/23/2024 {{c1::The lower subscapular nerve (C5,C6)}} innervates the {{c2::subscapularis}} and {{c2::teres major}}. Injury results in weak medial rotation
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