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7 Cards in this Set
- Front
- Back
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Iliohypogastric(IHG) |
B.F.: T12-L1 M.S.: TVA & Internal Obliques C.B.: Anterior C.R.(above the inguinal ligament/below stomach) & Lateral C.R.(Lateral gluteal area) Location: -E. from upper part of lat. border of Psoas, ---Crosses obliquely in front of QL, posterior to kidneys -Perforates post part of TVA, near ilium crest |
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Ilioingiunal(IIG) |
B.F.: L1 M.S.: TVA & Internal Obliques(Communicates w/ Iliohypogastic nerve) C.B.: Ant. Scrotal Nerves(Males) & Ant. Labial Nerves(Females) -Sends sensory info to skin over the pubic symphysis Location: -E. Just inf. to IHG -Crosses obliquely in front of QL & iliacus -Perforates TVA near ant. iliac crest and communicates with IHG -Perforates IO=>superficial inguinal ring |
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Genitofemoral |
B.F.: L1-2 M.S.: Cremaster in males C.B.: Femoral Ramus(Ant. upper part of thigh) & Genital Ramus(Ant. scrotal skin(males) and skin of the mons pubis and labia majora(females) Location: -Pierces Psoas below IHG & IIG. -Immediately split into two different cutaneous branches |
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Lateral Femoral Cutaneous |
B.F.: L2-3 M.S.: N/A C.B.: -(General)Lateral Side of the thigh from the TFL to the Lat. femoral condyle -(Ant. Branch)Anterior & Lat. parts of the thigh as far as the knee.(Com. w/ saphenous & ant. C.B. of saphenous nerve) -(Post. Branch)Supplies skin from lvl of greater trochantor=>mid thigh of post. lat. side of body Location: -Pierces Psoas on lat. side, runs obliquely down toward illiacus muscle=>ASIS -Under inguinal ligament=> lacuna musculorum, =>over the sartorius into thigh. |
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Obturator |
B.F.: L2-4 M.S.: Obturator Externus, Adductors(P.B.L.M.G.) C.B.: Patellar Plexus??? -Is responsible for sensory inn. of medial thigh skin(Not patellar Plexus, Obt. Nerve in general) Location: -Descends through fibers of Psoas, E. from med. border near brim of pelvis -Enter thigh thru obtuator canal from upper rim of obt. foramen. |
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Femoral |
B.F.: L2-4 M.S.: Iliopsoas, Pectineus, Sartorius, Quadriceps femoris C.B.: -Ant. Cutaneous Branches = --Gives sensory info to central & mid thigh from near top of thigh to below knee --Intermediate(middle) cutaneous nerve(ICN) & Medial cutaneous nerve(MCN) (-3)ICN (-4)Communicates w/ Medial C.N. & infrapatellar branch to form the patellar plexus (-4)Supplies skin as low as the front of the knee (-3)MCN (-4)It's branches communicate with saphenous nerve. -Saphenous Nerve --Supplies skin on front and medial lower leg as low as the medial malleolus --Gives off several branches (-3)Infrapatellar branch(Front of knee) (-3)Part of subsartorial plexus (-4) below the Sartorius Location: -Runs in groove btwn Psoas & Iliacus, giving branches to those two -Exits pelvis through med part of muscular lacuna -Divides into it's many muscular/sensory branches & saphenous nerve once it enter the thigh |
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Direct Muscular Branches |
Psoas Major(L1) Quadratus Lumborum(Ventral Ramus of T12-L3) Lumbar Interansversarii(T12-L4) -Runs along entire spine adn is innervated by its adjacent nerve root(which includes branches from lumbar plexus |
