Final Exam DB Flashcards
- The following structures emerge directly below the inferior border of the piriformis muscle except:
a. Obturator nerve
b. Sciatic nerve
c. Inferior gluteal artery
d. Inferior gluteal nerve
A
- The triceps coxae includes the following muscles except:
a. Obturator externus
b. Obturator internus
c. Gemelli superior
d. Gemelli inferior
A
- Identify the strongest lateral rotator of the thigh:
a. Gluteus medius
b. Gluteus maximus
c. Obturator internus
d. Quadratus femoris
D
- Piriformis syndrome is most often caused by:
a. Compression of lumbosacral nerve roots as they exit the spinal canal
b. Irritation of the sciatic nerve just proximal to its bifurcation in the popliteal fossa
c. Irritation of the sciatic nerve by piriformis muscle spasm
d. Irritation of the sciatic nerve by a weak piriformis muscle
C
- Piriformis syndrome differs from “sciatica” by:
a. The distribution of the sensory deficits
b. The cause
c. Distribution of weakness
d. All of the above
B
- Which hamstring muscle has an insertion that reinforces the intercondylar part of the knee capsule?
a. Semitendionsus
b. Semimembranosus
c. Long head biceps femoris
d. Short head biceps femoris
B
- Identify the hamstring muscle that is innervated by the fibular division of the sciatic nerve.
a. Semitendinosus
b. Semimembranosus
c. Long head biceps femoris
d. Short head biceps femoris
D
- Which hamstring muscle provides a protective covering over the sciatic nerve as it descends in the posterior thigh?
a. Semitendinosus
b. Semimembranosus
c. Long head biceps femoris
d. Short head biceps femoris
C
- Identify the following statement regarding hamstring injuries that is the least accurate.
a. The biceps femoris is rarely injured
b. Most injuries occur in the process of decelerating the tibia
c. The risk of hamstring injury increases with age
d. Hamstring strengthening decreases the risk of injury
A
- The following statements accurately describe the femoral nerve except:
a. The femoral nerve is composed of nerve roots from L2-4
b. Passes beneath the inguinal canal medial to the femoral artery
c. Forms in the psoas muscle in the abdomen
d. Supplies the anterior compartment of the thigh
B
- The obturator nerve:
a. Supplies the muscles of the posterior compartment of the thigh
b. Is composed of sacral nerve roots
c. Passes through the adductor canal
d. Splits into anterior and posterior branches that surround the adductor brevis
D
- The following statements regarding the sciatic nerve are accurate except:
a. The sciatic nerve supplies a number of gluteal muscles
b. It is the largest nerve in the body
c. It is large enough to have its own named arterial supply
d. As it passes from beneath the piriformis muscle it is lateral to the inferior gluteal artery & nerve
A
- The perforating arteries of the profunda femoris supply blood to:
a. The anterior compartment of the thigh
b. The posterior compartment of the thigh
c. The medial compartment of the thigh
d. All of the above
D
- The femoral artery supplies all of the following except:
a. The anterior compartment
b. The head & neck of the femur
c. The gluteal muscles
d. The profunda femoris
C
- Dorsiflexion of the foot
a. Is as powerful as plantar flexion
b. Employs muscles from the posterior compartment
c. Employs lateral compartment muscles
d. Is 25% as powerful as plantar flexion
D
- The anterior compartment of the leg is innervated by:
a. The deep fibular nerve
b. The common tibial nerve
c. The superficial fibular nerve
d. The tibial nerve
A
- The posterior compartment of the leg is innervated by:
a. The deep fibular nerve
b. The common fibular nerve
c. The superficial fibular nerve
d. The tibial nerve
D
- The common fibular nerve is vulnerable to compression
a. As it crosses posterior to the femoral artery at the adductor hiatus
b. As it loops around the distal fibular medial to the lateral malleolus
c. As it winds around the lateral aspect of the fibular neck
d. As it branches off laterally from the sciatic nerve
C
- Common fibular nerve injury results in impaired:
a. Plantar flexion
b. Dorsiflexion
c. Both
d. Neither
C
- Laceration of the ulnar nerve just proximal to the Guyon canal would result in:
a. Loss of flexion at the distal interphalangeal joint
b. Loss of extension of the thumb
c. Loss of flexion at the metacarpophalangeal joint of the 2nd & 3rd digits
d. Loss of abduction of the digits
D
- The gluteus medias acts in relation to the gluteus maximus as a(n)
a. Antagonist
b. Synergist
c. Both
d. Neither
C
- The tibialis anterior is located in what compartment?
Anterior compartment
- The soleus is located in which compartment?
Superficial posterior compartment
- The flexor digitorum longus is located in which compartment?
Deep posterior compartment
- The superficial fibular nerve supplies innervation to this compartment?
Lateral compartment
- This compartment contains the triceps surae muscles
superficial posterior compartment
- Damage to the nerves in this compartment would result in greater use of the thigh flexors in ambulation:
Anterior compartment
- The plantar flexion to dorsiflexion strength ratio is approximately:
a. 4:1
b. 2:1
c. 1:2
d. 1:1
A
- Shin splints are most accurately described as a mild: (FALL ’15)
a. Muscle strain
b. Nerve irritation
c. Compartment syndrome
d. Muscle weakness
C
- The triceps surae includes the following except:
a. Medial head gastrocnemius muscle
b. Lateral head gastrocnemius muscle
c. Soleus muscle
d. Popliteus muscle
D
- Rupture of the Achilles tendon is associated with all of the following except:
a. The location of the rupture is a couple of inches from the insertion of the tendon on the calcaneus
b. The injured person experiences great difficulty with flexion of the great toe
c. The injured person has difficulty with plantar flexion of the ankle
d. Recovery time can be 4-6 months or longer
B
- The following statements regarding the popliteal artery are accurate except:
a. It supplies the major branches involved in the perigenicular anastomotic network
b. It is located superficial to the popliteal vein in the popliteal fossa
c. It is at risk for injury in knee dislocations
d. Chronic repetitive flexion/extension cycles may play a role in the development of popliteal artery aneurysms
B
- On physical exam at the beginning of rehab of a patient with the X-ray below, the most likely physical finding would be? (A picture of a humerus fracture healed):
a. Weakness of all posterior compartment muscles of the upper extremity
b. Weakness of lateral head of triceps
c. Weakness of anconeus
d. Diminished brachial pulse
C
- With a lesion of this nerve elbow flexion is severely weakened
Lateral cord of the superior trunk
- All posterior compartment musculature of the upper extremity would be denervated by a lesion at this site:
Posterior cord
- Injury to this nerve would severely impair fine motor control of the hand, particularly the 4th and 5th digits:
medial cord
- Transection of the posterior cord would result in:
a. Slightly weakened elbow flexion
b. Impaired shoulder abduction
c. Weakened supination of the hand with the elbow extended
d. All of the above
D
- At which location will occlusion of the identified artery result in significant impairment of arterial flow to the distal upper extremity.
a. Subclavian artery distal to the thyrocervical trunk
b. Proximal profunda brachii artery
c. Brachial artery just proximal to the profunda brachii artery
d. Brachial artery just proximal to the thoracoacromial artery
C
- The interosseous membrane in the arm & leg does all of the following except:
a. Connects long bones (tibia-fibula, radius-ulna)
b. Provides a site of origination for muscles
c. Plays a major role in force transmission from distal structures to proximal structures
d. All are accurate
C