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Exam 1

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Gluteus Maxiumus: Proximal and distal attachments   show
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Nerve that innervates the Gluteus Maximus   show
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Actions of Gluteus Maximus   show
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Gluteus Medius: Proximal and distal attachments   show
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show Superior Gluteal Nerve (L4,5,S1)  
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show Abducts thigh; anterior fibers medially rotate thigh; steady pelvis; essential in keepin pelvis level when contralateral foot raised; when leg fixed, prevents abduction  
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Gluteus minimus: Proximal and distal attachments   show
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show Superior Gluteal Nerve (L4,5,S1)  
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show Abducts thigh; medially rotates thigh; steadies pelvis; keeps pelvis level when contralateral foot raised; prevents abduction when leg fixed  
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Piriformis: Proximal and distal attachments   show
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Nerve that innervates the Piriformis   show
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show Laterally roates extended thigh; abducts flexed thigh; steadies femoral head in acetabulum  
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show Proximal: Superior- ischial spine Inferior- ischial tuberosity Distal: Medial surface of greater trochanter  
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Nerve that innnervates Superior and Inferior Gemelli   show
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Actions of Gemelli   show
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Obturator Internus: Proximal and distal attachments   show
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Nerve that innervates the obturator internus   show
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Actions of Obturator Internus   show
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Quadratus Femoris: Proximal and distal attachments   show
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Nerve that innervates quadratus femoris   show
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show laterally rotates thigh; steadies femoral head in acetabulum  
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show Proximal: Ischail tuberosity Distal: Superior part of medial surface of tibia  
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show Tibial division of sciatic nerve (L4-S3)  
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show Extends thigh; flexes and medially rotates leg; pulls trunk upright against gravity  
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show Proximal: Ischial tuberosity Distal: Posterior part of medial condyle of tibia  
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Nerve that innervates semimembranosus   show
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Actions of semimembranosus   show
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show Proximal: Long head- ischial tuberosity Short head- lateral lip of linea aspera and lateral supracondylar line Distal: lateral side of head of fibula; tendon split at this site by fibular collateral ligament  
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Nerve that innervates biceps femoris   show
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Actions of biceps femoris   show
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Adductor magnus: Proximal and distal attachments   show
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show Adductor part: (obturator nerve (L2,3,4) Hamstring part: (tibial div. of sciatic (L4-S3)  
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Actions of adductor magnus   show
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show Proximal: body and inferior ramus of pubis Distal: Pectineal line and proximal part of linea aspera  
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show Obturator nerve (L2,3,4)  
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Actions of adductor brevis   show
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Adductor longus: Proximal and distal attachments   show
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show Obturator nerve (L2,3,4)  
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show adduts thigh  
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show Proximal: Body and inferior ramus of pubis Distal: Superior part of medial surface of tibia  
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Nerve that innervates gracilis   show
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Actions of gracilis   show
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show Proximal: Margins of obturator formaen and obturator membrane Distal: trochanteric fossa of femur  
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show Obturator nerve (L2,3,4)  
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show Laterally rotates thigh; steadies head of femur in acetabulum  
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Pectineus: Proximal and distal attachments   show
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Nerve that innervates pectinues   show
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show Adducts thigh; flexes thigh; flexes pelvis  
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show Proximal: ASIS and superior notch inferior to it Distal: Superior part of medial surface of tibia  
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show Femoral Nerve (L2,3,4)  
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Actions of sartorius   show
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show Proximal: External surface of ASIS and anterior part of external lip of iliac crest; fascia lata Distal: IT tract that attaches to lateral condyle of tibia  
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Nerve that innervates TFL   show
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show Adducts and medially rotates thigh; helps keep knee extended; steadies trunk on thigh; stedies femur on tibia (most important in steadying pelvis)  
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Vastus lateralis: Proximal and distal attachments   show
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show Femoral Nerve (L2,3,4)  
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show Extends leg at knee joint  
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show Proximal: Intertrochanteric line; medial lip of linea aspera Distal: base of patella and via patellar ligament to tibial tuberosity  
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show Femoral Nerve (L2,3,4)  
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show Extends leg at knee joint  
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show Proximal: Anterior and lateral surfaces of body of femur Distal: Base of patella and via patellar ligament to tibial tuberosity  
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Nerve that innervates vastus intermedius   show
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show extends leg at knee joint  
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show Proximal: Distal anterior surface of femoral shaft Distal: proximal reflection of synovial membrane of knee joint  
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show Femoral nerve (L2,3,4)  
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show retracts supra-patellar bursa during knee extension  
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show Proximal: Straight head- AIIS Reflected head - groove superior to acetabulum Distal: base of patella and via patella ligament to tibial tuberosity  
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Nerve that innervates rectus femoris:   show
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show Extends leg at knee joint; steadies hip joint; helps iliopsoas to flex thigh  
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Created by: elvis82
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