unit 1 quizzes

• In the lateral view of the hip bone you can draw a straight vertical line between the:

  Anterior superior iliac spine and the pubic tubercle 
• The iliolumbar ligaments of the hip strengthen the ______ joint.

  lumbosacral joint
• describe the anatomical relationship between the quadratus femoris and the piriformis muscle

  The piriformis muscle has a more superior insertion onto the greater trochanter of the femur
• What spinal nerve ventral ramus does not contribute to the innervation of the quadriceps muscles of the anterior thigh?

  L1
• Name the infrapiriform nerve that runs along the posterior thigh and does cutaneous innervation to the skin of the posterior thigh.

  posterior femoral cutaneous nerve
• structures passes through the lesser sciatic foramen

  obturator internus muscle
• The Trendelenburg gait indicates weakness in the __________ muscles.

  Gluteus medius and minimus 
• Gluteus maximus and tensor fascia lata share a common insertion on the _______.

  iliotibial tract
• What blood vessels (or branches of which vessels) are at risk of damage from a femoral fracture?

  medial and lateral femoral circumflex arteries
• ________ directly supplies the gluteus maximus.

  inferior gluteal artery
• The common action of the anterior compartment of the thigh is _______.

  knee extension
• The rectus femoris muscle has two origin sites sometimes described as 2 heads. The straight head is attached more laterally on the AIIS. What is the second origin site?

  Rim (or roof) of the acetabulum 
• From a supine position, you raise your trunk to a sitting position. What muscles bilaterally contract to accomplish this action?

  iliopsoas
• What is the medial boundary of the femoral triangle?

  adductor longus
• The femoral nerve is located within the:

  Muscular compartment of the retroinguinal space 
• What is the purpose of the femoral sheath?

  To allow for gliding of vasculature during hip movement 
• Common innervation for the medial compartment of the thigh is _________.

  obturator nerve
• Which of the following adductors does not originate on the inferior pubic ramus?

  Adductor longus 
• Which structure located within the adductor canal does not pass through the adductor hiatus?

  Saphenous nerve 
• Which of the following muscles would you reflect (cut and lift) out of the way to get a good view of the obturator nerve?

  adductor longus
• Which of the following vessels supplies the posterior thigh and contributes to the cruciate anastomoses of the hip joint?

  First perforating artery of the deep femoral artery 
• Which of the following arteries is a branch of the popliteal artery?

  Posterior tibial artery 
• Entrapment of this nerve causes pain and numbness along the lateral side of the thigh. 

  lateral femoral cutaneous nerve (L2-L3)
• This structure primarily contributes to the sciatic nerve but can also be a location of compression during childbirth.

  Lumbosacral trunk 
• The great saphenous vein drains to the ______ via the saphenous opening.

  femoral vein
• In a radiograph image, which of these structures will appear as the least radiodense (black in color)?

  Air sitting within the trachea
• best for imaging using CT?


    Identifying a complex fracture in an irregular shaped bone 
• What is the difference between a T1 and T2 image?

    T1 and T2 images occur during two separate phases of the realignment of protons 
• When looking for the presence of edema or overproduction of synovial fluid, which image would be best?

  T2 MRI
• What is the order of insertions from superior to inferior for the following muscles? Quadratus femoris, superior gemellus, inferior gemellus, obturator internus

  Superior gemellus, obturator internus, inferior gemellus, quadratus internus
• What is the origin of obturator internus?


   Inner surface of the obturator membrane
• The insertion of piriformis is medial to the insertion of the lesser gluteals. What is the best description of the insertion?

  apex of the greater trochanter
• The upper fibers and lower fibers of gluteus maximus insert on the ____.

  upper: iliotibial tract, lower: gluteal tuberosity
• The insertion of the gemelli joins up with the tendon of obturator internus to insert on the ________.

  medial surface of greater trochanter
• What is the common insertion of gluteus medius and minimus?

  greater trochanter of femur
• The superior gemellus originates on the ________.


  ischial spine
• What is the origin of quadratus femoris?

  Lateral border of the ischial tuberosity 
• What is the origin of gluteus medius?

  Gluteal surface of ilium, between anterior and posterior gluteal lines 
• The obturator internus tendon makes a right angle along the hip before inserting on the __________.

  Medial surface of the greater trochanter 
• The adductor brevis inserts on the linea aspera _____

  Superior to adductor longus