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35 Cards in this Set
- Front
- Back
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Sartorius m.
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origin: anterior superior iliac spine
insertion: medial proximal tibia at pes anserinus innervation: femoral n. action: flexes, abducts, lateral rotates thigh, flex knee |
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Rectus femoris m.
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-origin: anterior inferior iliac spine, acetabulum
-insertion: patella & via patellar ligament to tibial tuberosity -innervation: femoral n. -action: extends knee, flex thigh |
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What muscles make up the quadriceps femoris?
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1. Rectus femoris m.
2. Vastus medialis m. 3. Vastus lateralis m. 4. Vastus intermedius m. |
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Vastus medialis m.
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-origin: linea aspera, greater trochanter, intertrochanteric line
-insertion: patella & via patellar ligament to tibial tuberosity -innervation: femoral n. -action: extends knee |
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Vastus lateralis m.
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-origin: linea aspera, intertrochanteric line
-insertion: patella & via patellar ligament to tibial tuberosity -innervation: femoral n. -action: extends knee |
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Vastus intermedius m.
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-origin: anterior & lateral surface femur
-insertion: patella & via patellar ligament to tibial tuberosity -innervation: femoral n. -action: extends knee |
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Quadriceps contusions occur after severe impact and can result in hypovolemic shock because...?
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Thigh muscles have a very large muscle mass. Thus, one can end up with major blood loss when you have a crushing injury.
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Iliopsoas m
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-it is basically a composite m.
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Iliacus m.
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origin: iliac fossa, ala sacrum
insertion: lesser trochanter femur innervation: femoral n. action: flex thigh & trunk |
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Psoas major m.
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origin: bodies & transverse process vertebrae
insertion: lesser trochanter femur innervation: L2-L4 n. action: flex thigh & trunk |
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Psoas minor m.
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origin: T12 & L1 vertebrae
insertion: superior ramus pubis innervation: L2, L3 n. action: flex thigh & trunk |
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Pectineus m.
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origin: pectineal line, superior ramus pubis
insertion: lesser trochanter to lines aspera of femur innervation: femoral n. action: flexes, adducts, medially rotates thigh |
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Adductor longus m.
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origin: pubic tubercle
insertion: linea aspera of femur innervation: obturator n. action: adducts, flexes & medially rotates thigh Groin injury - usually adductor longus strain |
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Adductor brevis m.
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origin: body & inferior ramus pubis
insertion: linea aspera of femur innervation: obturator n. action: adducts & medially rotates thigh |
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Adductor magnus m. – BIG muscle (it has 2 portions)
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-origin: ischial & pubic rami, ischial tuberosity
-insertion: linea aspera, adductor tubercle of femur -innervation: obturator n. (adductor portion), sciatic n. (hamstring portion) -action: adductor portion: adduct & medially rotate thigh hamstring portion: extend thigh |
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Obturator externus m.
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-origin: obturator membrane & surrounding bone
-insertion: trochcanteric fossa femur -innervation: obturator n. -action: lateral rotation thigh |
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Gracilis m.
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-origin: inferior ramus pubis & body pubis & ischial ramus
-insertion: medial tibia at pes anserinus -innervation: obturator n. -action: adducts, flexes thigh, medially rotates leg |
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What is Pes anserinus
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on tibia is site of attachment for:
semitendinosus m. sartorius m. gracilis m. Bursitis: pain on medial side of knee worsened with flexion and extension |
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What two muscles does the obturator n. innervate?
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1. Anterior division of adductor brevis m.
2. Posterior division of adductor magnus m. |
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What veins do NOT have the same names as the arteries?
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Superficial veins
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Name the veins with valves.
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Venae comitantes
1. Great saphenous vein 2. small saphenous vein |
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What is the route of the spread of infection?
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Lymph drainage
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What group of lymph nodes are horizontal and vertical?
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Superficial inguinal lymph nodes
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Where are the horizontal group lymph nodes located?
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-Anterioro abdominal wall below umbilicus
-Posterior abdominal wall below iliac crest -Some of perineum |
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Where are the vertical group lymph nodes located?
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-Lower limb
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What are the knee articulations?
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-patella
-femoral condyles -femoral epicondyles -tibial condyles -tibial tuberosity -intercondylar eminence -knee replacement |
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What type of joint is the knee joint?
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Hinge
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What is the largest sesamoid bone?
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Patella
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What bone increases the efficiency of the quadriceps m.?
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Patella
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What does the joint capsule do?
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It covers joint except anteriorly which is covered by patellar ligament
The posterior aspect of the joint capsule is reinforced by ligaments and muscle tendons. Function = stability |
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What type of bursitis on the knee is caused by direct trauma?
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Prepatellar bursitis
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What are the 2 cruciate ligaments of the patella?
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1. Anterior cruciate ligament (ACL)
2. Posterior cruciate ligament (PCL) |
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What are 2 collateral ligaments of patellar ligaments?
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1. Tibial collateral ligament
2. Figular collateral ligament |
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The ACL _______ in extension and ________ in flexion
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tightens in extension , and loosens in flexion
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The PCL ______ in flexion, and ______ in extension. It prevents ______ of knee.
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tightens in flexion and loosens in extension. prevents Hyperflexion
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