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Anatomy II Fall 2023 > Skills check WI 4 > Flashcards

Skills check WI 4 Flashcards

1
Q

Multifidus

A

O: mamillary processes of lumbar vertebra, PSIS, posterior aspect of sacrum

I: lateral spects and tips of spinous processes of vertebra 2-5 levels above origin

N: posterior rami of spinal nerves

A: stabilizes vertebrae during local movements of spinal column

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2
Q

Quadratus Lumborum

A

O: medial half of inferior boarder of 12th ribs and tips of lumbar transverse processes

I: iliolumbar ligament and internal lip of iliac crest

N: anterior branches of T12 & L1-4 nerves

A: “hip hiking”; extends and laterally flexes vertebral column

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3
Q

Semitendinosus

A

O: ischial tuberosity

I: pes anserinus

N: tibial division of sciatic nerve

A: extend hip; flex knee joint; ER of knee when flexed

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4
Q

Semimembranosus

A

O: Ischial tuberosity

I: medial condyle of tibia

N: tibial division of sciatic nerve

A: extend hip; flex knee joint; ER of knee when flexed

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5
Q

Biceps Femoris

A

O:
LH - ischial tuberosity
SH - linea aspera

I: head of fibula; tendons split at LCL

N:
LH - tibial division of sciatic nerve
SH - fibular division of sciatic nerve

A: flexes knee joint; laterally rotates when flexed; LH extends hip joint

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6
Q

Rectus femoris

A

O: AIIS

I: common tendinous (quad tendon) at base of patella; vastus medialis/lateralis to patellar retinaculum

N: femoral nerve

A: extend knee joint; flexes hip joint

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7
Q

Vastus medialis

A

O: intertrochanteric line and linea aspera

I: common tendinous (quad tendon) at base of patella; vastus medialis/lateralis to patellar retinaculum

N: femoral nerve

A: extends knee joint

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8
Q

Vastus lateralis

A

O: greater trochanter and lateral lip of linea aspera

I: common tendinous (quad tendon) at base of patella; vastus medialis/lateralis to patellar retinaculum

N: femoral nerve

A: extends knee joint

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9
Q

Pectineus

A

O: superior rami of pubis

I: pectineal line of femur

N: femoral nerve

A: adduction of hip joint

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10
Q

Adductor magnus

A

O: inferior ramus of pubis and ramus of ischium; ischial tuberosity(hamstring part)

I: gluteal tuberosity, linea aspera, medial supracondylar line (adductor part); adductor tubercle (hamstring part)

N: obturator nerve (adductor part); tibial portion of sciatic nerve (hamstring part)

A: adducts hip joint; flexes hip joint (adductor part); extends hip joint (hamstring part)

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11
Q

Tensor Fascia Latae

A

O: ASIS; anterior part of iliac crest

I: IT Band which goes to lateral condyle of tibia

N: superior gluteal nerve

A: abducts and medially rotates hip joint

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12
Q

Gluteus maximus

A

O: posterior ilium to posterior gluteal line; dorsal surface of sacrum & coccyx

I: most fibers to IT band; some fibers to gluteal tuberosity

N: inferior gluteal nerve

A: extends hip joint and assists in lateral rotation

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13
Q

Gluteus medius

A

O: external surface of ilium between anterior and inferior gluteal lines

I: lateral surface of greater trochanter of femur

N: superior gluteal nerve

A: abducts and medially rotates hip joint

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14
Q

Gluteus minimus

A

O: external surface of ilium between anterior and inferior gluteal lines

I: anterior surface of greater trochanter

N: superior gluteal nerve

A:abducts and medially rotates hip joint

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15
Q

Piriformis

A

O: anterior surface of sacrum

I: superior border of greater trochanter

N: nerve to piriformis

A: externally rotates extended hip joint; abduct hip joint when flexed

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16
Q

Quadratus femoris

A

O: lateral board of ischial tuberosity

I: quadrate tubercle on intertrochanteric crest of femur

N: nerve to quadratus femoris

A: laterally rotates hip joint

17
Q

Psoas major

A

O: transverse processes of lumbar vertebrae; sides of bodies of T12-L5 vertebrae

I: strong tendon to lesser trochanter of femur

N: anterior rami of lumbar nerves L1, L2, and L3

A: hip flexion with iliacus; flexes vertebral column laterally superiorly

18
Q

Iliacus

A

O: superior 2/3rds of iliac fossa, ala of sacrum and anterior sacro-iliac ligaments

I: lesser trochanter of femur

N: femoral nerve

A: flexes thigh and stabilizes hip joint

19
Q

Tibialis anterior

A

O: lateral condyle & superior half of lateral surface of tibia & interosseous membrane

I: medial and inferior surfaces of medial cuneiform and base of 1st metatarsal

N: deep fibular nerve

A: dorsiflexion

20
Q

Extensor digitorum longus

A

O: lateral condyle of tibia and superior three quarters of medial surface of fibula/interosseous membrane

I: middle and distal phalanges of lateral 4 digits

N: deep fibular nerve

A: extends lateral 4 digits and dorsiflexes ankle

21
Q

Extensor hallucis longus

A

O: middle part of anterior surface of fibula and interosseous membrane

I: dorsal aspect of base of distal phalanx of great toe

N: deep fibular nerve

A: extends great toe and dorsiflexes ankle joint

22
Q

Tibialis posterior

A

O: interosseous membrane; posterior surface of tibia inferior to soleal line; posterior surface of fibula

I: tuberosity of navicular, cuneiform, cuboid, and sustentaculum tali; bases of 2,3,4 metatarsals

N: tibial nerve

A: plantarflexion; inverts foot; maintains medial longitudinal arch of foot

23
Q

Flexor digitorum longus

A

O: medial part of posterior surface of tibia inferior to soleal line

I: bases of distal phalanges of lateral 4 digits

N: tibial nerve

A: flexes lateral four digits; plantar flexion; supports longitudinal arch of the foot

24
Q

Flexor hallucis longus

A

O: inferior 2/3rds of posterior surface of fibula; inferior part of interosseous membrane

I: base of distal phalanx of great toe

N: tibial nerve

A: flexes great toe, weakly plantar flexion; supports medial longitudinal arch of foot

25
Q

Gastrocnemius

A

O:
LH - lateral aspect of lateral condyle of femur
MH - popliteal surface of femur; superior to medial condyle

I: posterior surface of calcaneus via calcaneal tendon

N: tibial nerve

A: plantar flexion when knee joint is extended; flexes knee joint

26
Q

Soleus

A

O: posterior aspect of head and superior 1/4 of posterior fibula; soleal line and middle third border of tibia

I: calcaneal tendon

N: tibial nerve

A: plantar flexion independent of knee position

27
Q

Popliteus

A

O: lateral surface of lateral condyle of femur and lateral meniscus

I: posterior surface of medial consuls of tibia

N: tibial nerve

A: weakly flexes knee joint; unlocks knee by rotating femur 5 degrees on fixed tibia

28
Q

Fibularis longus

A

O: head and superior 2/3rds of lateral surface of fibula

I: base of 1st metatarsal and medial cuneiform

N: superficial fibular nerve

A: eversion and weak plantarflexion

29
Q

Fibularis brevis

A

O: inferior 2/3rds of lateral surface of fibula

I: dorsal surface of tuberosity on lateral side of base of 5th metatarsal

N: superficial fibular nerve

A: eversion and weak plantar flexion

Anatomy II Fall 2023 (11 decks)

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