Anterior Thigh

Question 1

what muscles are within the anterior thigh

Answer 1

pectineus

sartorius

ilopsoas (3)

quadriceps femoris (4)

Question 2

what is the nerve rule of the anterior thigh

Answer 2

innervated by femoral nerve

Question 3

what is the exception to the nerve rule

Answer 3

psoas major and minor

innervated by direct branches of the lumbar plexus

Question 4

pectineus origin

Answer 4

pecten pubis

Question 5

pectineus insertion

Answer 5

femur

pectineal line and the proximal linea aspera

Question 6

pectineus innervation

Answer 6

femoral nerve and obturator nerve (L2,L3)

Question 7

pectineus action

Answer 7

hip: ADD, ER, slight flexion and stabilizes the pelvis in the coronal and sagittal plane

Question 8

what is special about the pectineus

Answer 8

transitional muscle from posterior to anterior compartments

Question 9

what is special about the sartorius

Answer 9

longest muscle in the body

tailors muscle

Question 10

sartorius origin and insertion

Answer 10

origin: anterior superior iliac spine

insertion: medial to the tibial tuberosity (pes anserine)

Question 11

sartorius innervation

Answer 11

femoral nerve (L2,L3)

Question 12

sartorius action

Answer 12

hip joint: flexion, ABD, ER

knee joint: flexion and IR

Question 13

what are the three parts of the iliopsoas

Answer 13

psoas major

psoas minor

iliacus

Question 14

psoas major origin

Answer 14

superficial: T12-L4 and associated intervertebral discs

deep: L1-L5 vertebrae (transverse processes)

Question 15

psoas major insertion

Answer 15

lesser trochanter

Question 16

psoas major innervation

Answer 16

direct branches from the lumbar plexus (L2,L4)

Question 17

psoas major action

Answer 17

hip joint: flexion, ER

lumbar spine: unilateral contraction (w/ femur fixed), bends the trunk laterally to the same side, bilateral contraction raises the trunk from the supine position

Question 18

psoas minor origin and insertion

Answer 18

O: T12-L1 vertebrae and intervertebral disks (lateral surfaces)

I: iliopectineal arch

Question 19

psoas minor innervation

Answer 19

direct branches from the lumbar plexus (L2-L4)

Question 20

psoas minor action

Answer 20

assists in upward rotation of pelvis

Question 21

iliacus origin and insertion

Answer 21

O: iliac fossa

I: lesser trochanter

Question 22

iliacus innervation

Answer 22

femoral nerve (L2,L4)

Question 23

iliacus action

Answer 23

hip joint: flexion, ER

lumbar spine: unilateral contraction (w/ femur fixed), bends the trunk laterally to the same side, bilateral contraction raises the trunk from the supine position

Question 24

what muscles are within quadriceps femoris

Answer 24

rectus femoris

vastus lateralis

vastus medialis

vastus intermedius

Question 25

rectus femoris origin and insertion

Answer 25

O: anterior inferior iliac spine and acetabular roof of hip joint I: tibial tuberosity via patella tendon

Question 26

rectus femoris innervation

Answer 26

femoral nerve (L2,L4)

Question 27

rectus femoris action

Answer 27

knee joint extension hip joint flexion

Question 28

vastus lateralis origin and insertion

Answer 28

O: linea aspera (lateral lip) and greater trochanter (lateral surface) I: tibial tuberosity via the patellar tendon

Question 29

vastus lateralis innervation

Answer 29

femoral nerve (L2,L4)

Question 30

vastus lateralis action

Answer 30

knee joint extention

Question 31

vastus medialis origin and insertion

Answer 31

O: linea aspera (medial lip) and intertrochanteric line (distal part) I: tibial tuberosity via the patellar tendon

Question 32

vastus medialis innervation

Answer 32

femoral nerve (L2,L4)

Question 33

vastus medialis action

Answer 33

knee joint extension

Question 34

vastus intermedius origin and insertion

Answer 34

O: femoral shaft (anterior side) I: tibial tuberosity via the patella tendon

Question 35

vastus intermedius innervation

Answer 35

femoral nerve (L2,L4)

Question 36

vastus intermedius action

Answer 36

knee joint extension

Question 37

when does the external iliac artery become the femoral artery

Answer 37

immediately after it crosses over the inguinal ligament

Question 38

branches of the femoral artery

Answer 38

superior circumflex iliac superficial/deep external pundendal superficial epigastric profunda femoris medial femoral circumflex lateral femoral circumflex

Question 39

superior circumflex iliac

Answer 39

supplies the iliac crest

Question 40

superficial/deep external pudendal

Answer 40

supplies the perineum

Question 41

superficial epigastric

Answer 41

supplies the umbilicus

Question 42

what is the largest branch of the femoral artery

Answer 42

profunda femoris

Question 43

branches of the profunda femoris artery (perforating)

Answer 43

the adductor magnus hamstrings vastus lateralis

Question 44

medial femoral circumflex

Answer 44

responsible for most of the blood supply to the neck and head of the femur

Question 45

branches of the medial femoral circumflex

Answer 45

ascending and transverse

Question 46

lateral femoral circumflex

Answer 46

mainly supplies muscles of the lateral side of the thigh

Question 47

branches of the lateral femoral circumflex

Answer 47

ascending transverse descending

Question 48

veins of the anterior thigh

Answer 48

femoral great saphenous

Question 49

femoral vein

Answer 49

continuation of popliteal vein

Question 50

great saphenous vein

Answer 50

deep vein of the thigh

Question 51

nerves of the anterior thigh

Answer 51

femoral (L2,L4) lateral femoral cutaneous

Question 52

femoral (L2,L4)

Answer 52

anterior femoral cutaneous saphenous (only sensory to anteromedial aspect of knee)

Question 53

lateral femoral cutaneous

Answer 53

only sensory to lateral thigh from lumbar spine

Question 54

spaces of the anterior thigh

Answer 54

femoral triangle adductor (subartorial canal)

Question 55

femoral triangle boundaries

Answer 55

superior: inguinal ligament medial: adductor longus lateral: sartorius floor: iliopsoas and pectineus roof: fascia latae

Question 56

femoral triangle contents

Answer 56

femoral nerve femoral sheath (lateral compartment, intermediate compartment and medial compartment)

Question 57

lateral compartment of femoral sheath

Answer 57

femoral artery

Question 58

intermediate compartment of femoral sheath

Answer 58

femoral vein

Question 59

medial compartment of femoral sheath

Answer 59

femoral canal (lymph nodes and vessels)

Question 60

adductor (subartorial) canal boundaries

Answer 60

extends from apex of femoral triangle to the adductor hiatus anterior and lateral: vastus medialis posterior: adductors longus and adductors magnus medial: sartorius (also forms roof)

Question 61

adductor (subartorial) canal contents

Answer 61

femoral artery and vein saphenous nerve nerve to vastus medialis

Question 62

pes anserine

Answer 62

attachment point for sartorius, gracilis, semitendinosus one muscle from each compartment attaches here Say Grace before Tea (order the muscles are in more lateral to more medial)

Question 62

pes anserine

Answer 62

attachment point for sartorius, gracilis, semitendinosus one muscle from each compartment attaches here Say Grace before Tea (order the muscles are in more lateral to more medial)