Exam 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Gluteus Maxiumus: Proximal and distal attachments | show 🗑
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| show | Inferior gluteal nerve (L5,S1,2)
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| show | While running/climbing: extends flexed thigh; posterior fibers- lateral rotation of thigh; superior fibers powerful abductors; steadies thigh via IT band insertion. Assists in raising trunk from flexed position when fixed insertion.
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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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| Actions of Gluteus Medius | show 🗑
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| show | Proximal: External surface of ilium between anterior and inferior gluteal lines
Distal: Anterolateral surface of greater trochanter of femur
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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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| Gemelli (Superior and Inferior): Proximal and distal attachments | show 🗑
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| show | Superior: Nerve to Obturator Internus (L5,S1,2)
Inferior: Nerve to Quadratus Femoris (L4,5,S1)
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| Actions of Gemelli | show 🗑
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| show | Proximal: Pelvic surface of obturator membrane and surrounding bones
Distal: medial surface of greater trochanter of femur
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| Nerve that innervates the obturator internus | show 🗑
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| show | Laterally rotates extended thigh; abducts flexed thigh; steadies femoral head in acetabulum
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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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| Actions of quadratus femoris | show 🗑
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| Semitendinosus: Proximal and distal attachments | show 🗑
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| Nerve that innervates semitendinosus | show 🗑
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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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| show | Tibial division of sciatic nerve (L4-S3)
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| Actions of semimembranosus | show 🗑
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| Biceps femoris: Proximal and distal attachments | show 🗑
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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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| show | adducts thigh; adductor part flexes thigh; hamstring part extends thigh
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| Adductor brevis: Proximal and distal attachments | show 🗑
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| Nerve that innervates adductor brevis | show 🗑
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| show | Adducts thigh; slightly flexes thigh
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| show | Proximal: body of pubis inferior to pubic crest
Distal: Middle third of linea aspera
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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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| show | Obturator nerve (L2,3,4)
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| show | Adducts thigh; flexes leg; medially rotates leg
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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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| Actions of obturator externus | show 🗑
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| Pectineus: Proximal and distal attachments | show 🗑
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| show | femoral nerve (L2,3,4)
may receive branch from Obturator N (L2,3,4)
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| Actions of Pectineus | show 🗑
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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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| Nerve that innervates sartorius | show 🗑
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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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| show | Superior gluteal nerve (L4,5,S1)
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| Actions of TFL | show 🗑
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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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| Actions of vastus medialis | show 🗑
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| Vastus Intermedius: Proximal and distal attachments | show 🗑
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| Nerve that innervates vastus intermedius | show 🗑
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| Actions of vastus intermedius | show 🗑
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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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