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Biomechanics 4 (Carnes) > O, I, A, IN simple > Flashcards

O, I, A, IN simple Flashcards

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0
Q

Peroneus brevis insertion

A

lateral aspect of the tuberosity at the base of the 5th metatarsal

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1
Q

Peroneus Brevis origin

A

Distal 2/3 of shaft of the fibula

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2
Q

Peroneus brevis innervation

A

superficial peroneal/fibular n.

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3
Q

Peroneus Brevis action?

A

primarily eversion and assists in plantar flexion

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4
Q

Peroneus longus origin

A

Proximal 2/3 of shaft of fibula

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5
Q

Peroneus longus insertion

A

plantar surface of the 1st metatarsol and 1st cuneiform

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6
Q

Peroneus longus innervation

A

Superficial peroneal/fibular n. (L4-S1, S1 mainly)

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7
Q

Action of peroneus longus?

A

plantar flexion at the ankle and eversion of the foot

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8
Q

Peroneus tertius origin?

A

distal 1/3 of the fibula

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9
Q

Peroneus tertius insertion

A

dorsal surface of the 5th metatarsal

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10
Q

Peroneus tertius innervation

A

deep peroneal/fibular n(L4-S1, S1 mainly)

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11
Q

Peroneus tertius action?

A

Assist with dosiflexion at the ankle and eversion of the foot

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12
Q

Tibialis anterior origin?

A

lateral condyle and proximal 2/3 of the shaft of the tibia

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13
Q

Tibialis anterior insertion?

A

first cuneiform and adjacent 1st metatarsal base

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14
Q

Tibialis anterior innervation?

A

deep peroneal/fibular n(L4-L5)

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15
Q

Tibialis anterior action?

A

dorsiflexes at the ankle and inverts(supinates) the foot

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16
Q

Extensor digitorum longus (EDL) origin?

A

proximal 2/3 of fibular shaft, lateral tibial condyle, proximal tibiofibular joint capsule, adjacent interosseus membrane

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17
Q

EDL insertion?

A

divides into 4 tendons. each tendon forms an extensor hood on the dorsum of each toe which in turn inserts on the middle and distal phalanges of toes 2-5

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18
Q

EDL innervation?

A

deep peroneal/fibular n (L4-S1)

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19
Q

EDL action?

A

extends joints of toes 2-5; assists ankle dorsiflexion and assists eversion of the foot

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20
Q

Extensor hallucis longus (EHL) origin?

A

deep posterior compartment middle 1/3 of the shaft of the tibia

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21
Q

Extensor hallucis longus insertion?

A

distal phalanx of the hallux(toe)

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22
Q

EHL innervation?

A

Deep peroneal n(L4-S1) Big toes used to test strength of L5 specifically

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23
Q

EHL action?

A

Extends the big toe and dorsiflexes the ankle

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24
Flexor digitorum longus (FDL) origin?
Deep posterior compartment middle 1/3 of the shaft of the tibia
25
FDL insertion?
divides into 4 tendons deep tin the sole of the foot to insert on the plantar surfaces of the distal phalanges of toes 2-5; note that each tendon passes through the split tendon of the flexor digitorum brevis
26
FDL innervation?
Tibial n(S2-S3)
27
FDL action?
Flexes toes 2-5 and assists in plantar flexion
28
Flexor hallucis longus (FHL) origin?
deep posterior compartment middle 1/3 of the shaft of the fibula
29
FHL insertion?
plantar surface of the the distal phalanx of the hallux
30
FHL innervation?
Tibial n(S2-S3)
31
FHL action?
Flexes hallux, assists ankle plantar flexion and assists inversion
32
Tibialis posterior origin?
posterior side of the proximal lateral shaft of the tibia, the proximal medial shaft of the fibula
33
Tibialis posterior insertion?
8 insertions= Primarily navicular and 1st cuneiform, tendonous expansions of 2nd and 3rd cuneiforms, 2nd, 3rd, and 4th metatarsal bases and cuboid
34
Tibialis posterior innervation?
Tibial n(L4-S1)
35
Tibialis posterior action?
inversion and adduction of the foot and assists in plantar flexion
36
Gastrocnemius origin?
posterior aspect of the femur. superior surfaces of the medial and lateral condyles
37
Gastroc insertion?
unites with the soleus to form the tendo-calcaneus(Achilles' tendon) to insert on the tuberosity of the calcaneus
38
Gastroc innervation?
Tibial n(L5-S2;primarily L5-S1)
39
Gastroc action?
Plantar flexors at the ankle; assists the hamstrings and popliteus in flexing at the knee and assists the hamstrings at the knee during terminal extension in a closed kinetic chain
40
Soleus origin?
Head, neck, and proximal 1/3 of the fibula; and from the posteromedial aspect of the shaft along the popliteal/soleal line
41
Soleus insertion?
unites with the gastroc to form the calcaneal tendon
42
Innervation of the soleus?
Tibial n(L5-S2)
43
Action of the soleus?
Plantar flexion of the foot
44
Popliteus origin?
lateral aspect of the lateral femoral condyle
45
Popliteus insertion?
posterior aspect of the proximal tibia above the popliteal/soleal line
46
Popliteus innervation?
Tibial n(L4-S1)
47
Popliteus action?
Internally rotates tibia in an open kinetic chain and externally rotates the femur when the tibia is fixed(closed kinetic chain) and assists knee flexion; it functions primarily as a knee stabilizer
48
Semitendinosus origin?
ischial tuberosity
49
Semitendinosus insertion?
shaft of the tibia just inferior to the medial condyle as the posterior portion of the pes anserinus
50
Semitendinosus innervation?
tibial division of the sciatic nerve (L5-S2; primarily L5)
51
Semitendinosus action?
Primarily knee flexion and when the knee is flexed it internally rotates the tibia; also assists extension and internal rotation at the hip
52
Semimembranosus origin?
ischial tuberosity
53
Semimembranosus insertion?
posterior aspect of the medial tibial condyle
54
Semimembranosus innervation?
tibial division of the sciatic nerve(L5-S2; primarily L5)
55
Semimembranosus action?
Same as semitendinosus
56
Biceps femoris origin?
2 heads? Long head- ischial tuberosity | Short head- distal 1/2 of the lateral lip of the linea aspera and lateral supracondylar line of the femur
57
Biceps femoris insertion?
fibular head with slips to the lateral tibial condyle and fibular collateral ligament
58
Biceps femoris innervation?
sciatic-tibial division to the long head and peroneal/fiular division to the short head (L5-S2; primarily S10)
59
Biceps femoris action?
Flexion at the knee and when the knee is flexed it externally rotates the leg; the long head also assists extension and external rotation at the hip

Biomechanics 4 (Carnes) (11 decks)

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