SM_223a: Organization of the Lower Limb Flashcards Preview

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Flashcards in SM_223a: Organization of the Lower Limb Deck (103)
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1

Joints in the lower limb include _____, _____, and _____ joints

Joints in the lower limb include the hip, knee, and ankle joints

2

Femoral nerve innervates the _____ compartment of the _____

Femoral nerve innervates the anterior compartment of the thigh

3

Obturator nerve innervates the _____ compartment of the _____

Obturator nerve innervates the medial compartment of the thigh

4

Fibular nerve innervates the _____ and _____ compartments of the leg

Fibular nerve innervates the anterior and lateral compartments of the leg

5

Nerves to hindlimb muscles are _____ rami of spinal nerves _____ through the lumbosacral plexus

Nerves to hindlimb muscles are ventral rami of spinal nerves L2-S3 through the lumbosacral plexus

6

Describe mechanisms of injury to the lumbosacral plexus

7

Obturator and femoral nerves are injured due to _____ and _____

Obturator and femoral nerves are injuries due to pelvic tumors/fractures and thigh trauma

8

Superior and inferior gluteal nerves are injured due to _____ and _____

Superior and inferior gluteal nerves are injures due to intragluteal injections and trauma

9

Sciatic nerve is injured due to _____ and _____

Sciatic nerve is injured due to intragluteal injections and trauma

10

Tibial nerve is injured due to _____ and _____

Tibial nerve injured due to knee dislocation and tarsal tunnel

11

Common fibular nerve is injured due to _____ and _____

Common fibular nerve is injured due to trauma at lateral knee and anterior compartment syndrome (deep fibular)

12

Hip is a _____ joint but is _____ stable than the glenohumoral joint

Hip is a ball and socket joint but is much more stable than the glenohumoral joint

 

(due to strong intrinsic ligaments, depth of acetabulum, and degree of overlap of acetabulum and femoral head)

13

Hip is stable due to _____, _____, and _____

Hip is stable due to strong intrinsic ligaments (iliofemoral and ischiofemoral), depth of acetabulum, and degree of overlap of acetabulum and femoral head

14

Hip motions include _____, _____, _____, and _____

Hip motions include flexion-extension, abduction-adduction, medial/lateral rotation, and circumduction

15

Muscles that act on the hip come from the _____, _____, and _____

Muscles that act on the hip come from the gluteal region, trunk, and anterior/medial/posterior compartments of the thigh

16

Superficial muscles of the gluteal region include _____ and _____, while deep muscles of the gluteal region include _____, _____, and _____

Superficical muscles of the gluteal region include gluteus maximus and gluteus medius, while deep muscles of the gluteal region include gluteus minimus, piriformis, and small lateral rotators

17

Gluteal musculature is the _____ of the hip

Gluteal musculature is the rotator cuff of the hip

 

  • Hip extensors: gluteus maximus
  • Lateral (external) rotators: piriformis, quadratus femoris
  • Hip abductors: gluteus medius, gluteus minimus

18

Hip extensor in the gluteal musculature is _____

Hip extensor in the gluteal musculature is gluteus maximus

19

Lateral (external) rotators in the gluteal musculature include _____ and _____

Lateral (external) rotators in the gluteal musculature include piriformis and quadratus femoris

20

Hip abductors in the gluteal musculature include _____ and _____

Hip abductors in the gluteal musculature include gluteus medius and gluteus minimus

21

Gluteus medius and minimus provide _____ balance of the trunk

Gluteus medius and minimus provide lateral balance of the trunk

 

(provide lateral balance of the trunk when one leg is unsupported at midstance)

22

Anterior compartment of the thigh is innervated by the _____ nerve and is responsible for _____ and _____

Anterior compartment of the thigh is innervated by the femoral nerve and is responsible for hip flexion and knee extension

23

Posterior compartment of the thigh is innervated by the _____ nerve and is responsible for _____ and _____

Posterior compartment of the thigh is innervated by the tibial nerve and is responsible for hip extension and knee flexion

24

Medial compartment of the thigh is innervated by the _____ nerve and is responsible for _____

Medial compartment of the thigh is innervated by the obturator nerve and is responsible for hip adduction

25

Descrbe the anterior compartment of the thigh

Anterior compartment of the thigh

  • Major muscles: quadriceps femoris, sartorius, iliopsoas
  • Muscle actions: flex hip, extend knee
  • Nerve: femoral nerve
  • Skeletal landmarks: lesser trochanter, patella, and tibial tuberosity

26

Major muscles of the anterior compartment of the thigh are _____, _____, and _____

Major muscles of the anterior compartment of the thigh are quadriceps femoris, sartorius, and iliopsoas

27

Muscles of the anterior compartment of the thigh function to _____ and _____

Muscles of the anterior compartment of the thigh function to flex hip and extend knee

28

Anterior compartment of the thigh is innervated by the _____ nerve

Anterior compartment of the thigh is innervated by the femoral nerve

29

Skeletal landmarks of muscles of the anterior compartment of the thigh are _____, _____, and _____

Skeletal landmarks of muscles of the anterior compartment of the thigh are lesser trochanter, patella, and tibial tuberosity

30

Describe the posterior compartment of thigh

Posterior compartment of thigh

  • Muscles: hamstrings (semimembranosus, semitendinosus, biceps femoris)
  • Muscle action: extend hip, flex knee
  • Nerve: sciatic (tibial nerve)
  • Skeletal landmarks: ischial tuberosity

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