Notes in Gluteal Region and Posterior Thigh

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Status	Last Update	Fields
Published	11/30/2024	{{c1::posterior sacroiliac}} ligament attaches {{c2::posterior superior iliac spine}} and {{c2::iliac crest}} to {{c2::sacrum}}
Published	11/30/2024	greater sciatic foramen boundaries- Anterosuperior - {{c1::Greater sciatic notch}}- Posterosuperior - {{c1::Posterior sacroiliac ligament}} …
Published	11/30/2024	Lesser sciatic foramen boundaries- Anterior - {{c1::ischial body}}- Superior - {{c1::ischial spine}} & {{c1::sacrospinous ligament}}- Posteri…
Published	11/30/2024	{{c1::sacrotuberous}} ligament attaches {{c2::sacrum}} to {{c2::ischial tuberosity}}
Published	11/30/2024	{{c1::sacrospinous}} ligament attaches {{c2::sacrum}} to {{c2::ischial spine}}
Published	11/30/2024	Greater sciatic foramen contents- {{c1::structures entering or leaving the pelvis}}
Published	11/30/2024	Lesser sciatic foramen contents- {{c1::Structures entering or leaving the perineum}}
Published	11/30/2024	{{c1::Sciatic}} nerve is the largest nerve in the body
Published	11/30/2024	Sciatic nerve exits pelvis at {{c1::greater}} sciatic foramen
Published	11/30/2024	Sciatic nerve formed by {{c1::L4-S3}} spinal nerves and supplies:Motor - {{c2::semitendinosus}}- {{c2::semimembranosus}}- {{c2::Long head of…
Published	11/30/2024	Sciatic nerve branches into {{c1::tibial}} nerve and {{c1::common fibular}} nerve at the {{c1::popliteal region::location}}
Published	11/30/2024	Cluneal nerves formed by {{c1::dorsal rami of L1-L3, S1-S3}} spinal nerves and supplies:Sensory- {{c2::gluteal region}}Motor- {{c3::N/A}}
Published	11/30/2024	Posterior femoral cutaneous nerve formed by {{c1::S1-S3}} spinal nerves and supplies:Sensory- {{c2::some cluneal branches in gluteal region}}-&nb…
Published	11/30/2024	Superior gluteal nerve formed by {{c1::L4-S1}} spinal nerves and supplies:Sensory- {{c2::N/A}}Motor - {{c3::gluteus medius}}- {{c3::gluteus minimus}}-…
Published	11/30/2024	{{c1::superior gluteal}} nerve is the only nerve to emerge {{c1::superior}} to {{c2::piriformis}}
Published	11/30/2024	Pudendal nerve formed by {{c1::S2-S4}} spinal nerves and supplies: Sensory- {{c2::perineum}}
Published	11/30/2024	Inferior gluteal nerve formed by {{c1::L5-S2}} spinal nerves and supplies: Sensory- {{c2::N/A}}Motor - {{c3::gluteus maximus}}
Published	11/30/2024	Superior gluteal artery starts at {{c1::superior to piriformis::location}}, travels through {{c1::greater sciatic foramen superior to piriformis}} and…
Published	11/30/2024	Inferior gluteal artery starts at {{c1::superior to piriformis::location}}, travels through {{c1::greater sciatic foramen inferior to piriformis}} and…
Published	11/30/2024	Internal pudendal artery starts at {{c1::superior to piriformis::location}}, travels through {{c1::greater sciatic foramen}} then {{c1::lesser sc…
Published	11/30/2024	Gluteal region deep veins course: {{c1::superior/inferior gluteal veins}} -> {{c1::Internal iliac veins}} -> {{c1::common iliac vein}} -&gt…
Published	11/30/2024	{{c1::common iliac}} veins become {{c2::inferior vena cava}} vein at {{c3::base of lumbar spine::location}}
Published	11/30/2024	Deep lymph nodes course in gluteal region: {{c1::Deep inguinal lymph nodes}} -> {{c1::external iliac nodes}} -> {{c1::common iliac nodes}} …
Published	11/30/2024	Superficial lymph nodes pathway in gluteal region {{c1::superficial inguinal lymph nodes}} -> {{c1::external iliac lymph nodes}}
Published	11/30/2024	Posterior thigh compartment is supplied blood by {{c1::deep femoral}} artery, {{c1::inferior gluteal}} artery, and {{c1::medial femoral circumflex}} a…
Published	11/30/2024	Tibial nerve formed by {{c1::L4-S3}} spinal nerves and supplies: Sensory- {{c2::N/A}}Motor- {{c3::Popliteus}}- {{c3::Plantaris}}- {{c3:…
Published	11/30/2024	Common fibular nerve formed by {{c1::L4-S2}} spinal nerves and supplies:Sensory- {{c2::N/A}}Motor- {{c3::Short head of bicep femoris}}
Published	11/30/2024	Popliteal fossa boundaries- Superomedial - {{c1::semimembranosus}}- Superolateral - {{c1::long head of bicep femoris}}- Inferomedial - {{c1::Gastrocne…
Published	11/30/2024	Popliteal fossa contents- {{c1::Small saphenous vein}}- {{c1::Popliteal vessels}}- {{c1::Tibial nerve}}- {{c1::Lymphatics}}- {{c1::comm…
Published	11/30/2024	Sural nerve closely follows {{c1::small saphenous}} vein
Published	11/30/2024	Gluteal region deep muscles includes:- {{c1::Piriformis}}- {{c1::Superior gemellus}}- {{c1::Obturator internus}}- {{c1::Inferior g…
Published	11/30/2024	Gluteal region superficial muscles include:- {{c1::Gluteus maximus}}- {{c1::Gluteus medius}}- {{c1::Gluteus minimus}}
Published	11/30/2024	Gluteus maximus muscle attaches from {{c1::lumbar facsia}}, {{c1::posterior superior iliac spine}}, {{c1::posterior sacroiliac ligament}}, a…
Published	11/30/2024	Gluteus medius muscle attaches from {{c1::gluteal line on ala of ilium}} to {{c1::greater trochanter of femur}}. Action is to {{c2::abduct and mediall…
Published	11/30/2024	Gluteus minimus muscle attaches from {{c1::gluteal line on ala of ilium}} to {{c1::greater tochanter of femur}}. Action is to {{c2::abduction and medi…
Published	11/30/2024	Quadratus femoris muscle attaches from {{c1::ischial tuberosity}} to {{c1::intertrochanteric crest of femur}}. Action is to {{c2::laterally rotate thi…
Published	11/30/2024	Obturator internus muscle attaches from {{c1::internal surface of obturator membrane}} to {{c1::greater trochanter of femur}}. Action is to {{c2::exte…
Published	11/30/2024	Superior gemellus muscle attaches from {{c1::ischial spine}} to {{c1::greater trochanter of femur superior to obturator internus}}. Action is to …
Published	11/30/2024	Inferior gemellus muscle attaches from {{c1::upper ischial tuberosity}} to {{c1::greater trochanter of femur inferior to obturator internus}}. Ac…
Published	11/30/2024	Hamstring muscle group includes:- {{c1::Semimembranosus}}- {{c1::Semitendinosus}}- {{c1::Long head of biceps femoris}}
Published	11/30/2024	Hamstring muscle group notably does not include:- {{c1::Short head of biceps femoris}}- {{c1::Hamstring part of adductor magnus}}
Published	11/30/2024	Semitendinosus muscle attaches from {{c1::Ischial tuberosity}} to {{c1::proximal tibia as part of pes anserinus}}. Action is to {{c2::extend thigh and…
Published	11/30/2024	Semimembranosus muscle attaches from {{c1::ischial tuberosity}} to {{c1::posterior medial condyle of tibia}}. Action is to {{c2::extend thigh and flex…
Published	11/30/2024	Long head of biceps femoris muscle attaches from {{c1::ischial tuberosity}} to {{c1::head of fibula}}. Action is to {{c2::extend thigh and flex knee}}
Published	11/30/2024	Short head of biceps femoris muscle attaches from {{c1::linea aspera of femur}} to {{c1::head of fibula}}. Action is to {{c2::flex knee}}
Published	11/30/2024	Gluteus maximus is innervated by {{c1::inferior gluteal nerve}} nerve and supplied blood by {{c2::superior gluteal artery and inferior gluteal}} arter…
Published	11/30/2024	Gluteus medius is innervated by {{c1::superior gluteal}} nerve and supplied blood by {{c2::superior gluteal}} artery
Published	11/30/2024	Gluteus minimus is innervated by {{c1::superior gluteal}} nerve and supplied blood by {{c2::superior gluteal}} artery
Published	11/30/2024	Tensor fascia latae muscle attaches from {{c1::anterior superior iliac spine (ASIS)}} to {{c1::iliotibial tract}}. Action is to {{c2::pull iliotibial …
Published	11/30/2024	pull of {{c1::gluteus maximus}} displaces iliotibial tract {{c2::posteriorly::direction}}
Published	11/30/2024	pes anserinus includes:- {{c1::semitendinosus}} tendon- {{c1::sartorius}} tendon- {{c1::gracilis}} tendon
Published	11/30/2024	{{c1::popliteal artery}} is the structure in the popliteal fossa most prone to injury in a posterior knee dislocation
Published	11/30/2024	{{c1::popliteal artery}} is the deepest structure in the popliteal fossa
Published	11/30/2024	Sciatic nerve lesion symptomsMotor- {{c1::weakness in posterior thigh muscles}}- {{c1::weakness in leg and foot muscles}}Sensory- {{c1::pain/numb…
Published	11/30/2024	IM injections in the gluteus maximus need to avoid {{c1::superior gluteal}} nerve otherwise it can cause {{c1::trendelenburg gait}}
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Published	11/30/2024	Piriformis is innervated by {{c1::direct branches from sacral plexus}} and supplied blood by {{c2::inferior gluteal}} artery
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Published	11/30/2024	Superior gemellus is innervated by {{c1::direct branches of sacral plexus}} and supplied blood by {{c1::inferior gluteal artery}}
Published	11/30/2024	Inferior gemellus is innervated by {{c1::direct branches of sacral plexus}} and supplied blood by {{c1::inferior gluteal artery}}
Published	11/30/2024	Obturator internus is innervated by {{c1::direct branches of sacral plexus}} and supplied blood by {{c1::inferior gluteal artery}}
Published	11/30/2024	Quadratus femoris is innervated by {{c1::direct branches of sacral plexus}} and supplied blood by {{c1::inferior gluteal artery}}
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