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Anatomy Test 3 > Muscles PDNA > Flashcards

Muscles PDNA Flashcards

1
Q

Levator ani - puborectalis

A

P and D - Forms a sling between the 2 pubic bones and the rectum
N - Inferior anal nerve (S2-S4)
A - Resists defecation;
Supports pelvic viscera;
Resist increases in intra-abdominal pressure

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2
Q

Levator ani - Pubococcygeus

A 
P - Pubis
D - Coccyx
N - Nerve to levator ani (S4)
A - Supports pelvic viscera;
Resist increases in intra-abdominal pressure
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3
Q

Levator ani - iliococcygeus

A 
P - Tendinous arch (ileum and pubis)
D - Coccyx
N - Nerve to levator ani (S4)
A - Supports pelvic viscera;
Resist increases in intra-abdominal pressure
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4
Q

bulbospongiosus

A

P - Male: perineal body
Female: perineal body
D - Male: surrounds the bulb of the penis inserting in the perineal membrane
Female: enclosing the bulb of the vagina and greater vestibular gland inserting on the pubic arch
N - Deep perineal nerve (S2-4)
A - Responsible for ejaculation;
Supports and fixes the perineal body/ pelvic floor;
Assists in erectile

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5
Q

ischiocavernosus

A

P - Ischiopubic ramus and ischial tuberosity
D - Encloses the crus of the penis and clitoris inserting in the perineal membrane
N - Deep perineal nerve (S2-4)
A - Covers the erectile tissue

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6
Q

superficial transverse perineal

A

P - Ischiopubic ramus and ischial tuberosity
D - Passes along the inferior aspect of the posterior border to the perineal body
N - Deep perineal nerve (S2-4)
A - Supports structures below the urogenital hiatus

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7
Q

deep transverse perineal

A

P - Ischiopubic ramus and ischial tuberosity
D - Passes along the superior aspect of the posterior border to the perineal body
N - Deep perineal nerve (S2-4)
A - Supports structures below the urogenital hiatus

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8
Q

external urethral sphincter

A

P and D - Surrounds urethra superior to the perineal membrane
Males: ascends anterior aspect of the prostate
Females: some fibers also enclose the vagina (urethrovaginal sphincter)
N - Dorsal nerve of the penis or clitoris, Deep perineal nerve (S2-4)
A - Continence

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9
Q

pectineus

A

P - Superior pubic rami
D - Linea aspira on the posterior femur
N - Femoral and obturator nerves (L2,3)
A - Hip ADD, FL, IR

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10
Q

illiopsoas - psoas major

A

P. - Transverse processes and bodies of T12-L5
D - Lesser trochanter
N - L1,2,3
A - Hip FL

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11
Q

illiopsoas - illiacus

A

P - Iliac crest
D - Lesser trochanter
N - Femoral nerve (L2,3)
A - Hip FL

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12
Q

psoas minor

A

P - T12-L1
D - Inguinal ligament
N - L1,2
A - no action at the hip

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13
Q

sartorius

A 
P -ASIS
D - Pes anserine
N - Femoral nerve (L2,3)
A - Hip FL, ABD, ER
Knee FL
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14
Q

rectus femoris

A 
P - ASIS
D - Quadriceps tendon to the patella (connected to the tibia by the patellar ligament)
N - Femoral nerve (L2,3,4)
A - Hip FL
Knee EX
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15
Q

vastus lateralis

A

P - Femur
D - Quadriceps tendon to the patella (connected to the tibia by the patellar ligament)
N - Femoral nerve (L2,3,4)
A - Knee EX
Stabilize the patella via the oblique fibers

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16
Q

vastus medialis

A

P - Femur
D - Quadriceps tendon to the patella (connected to the tibia by the patellar ligament)
N - Femoral nerve (L2,3,4)
A - Knee EX
Stabilize the patella via the oblique fibers

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17
Q

vastus intermedius

A 
P - Femur
D - Quadriceps tendon to the patella (connected to the tibia by the patellar ligament)
N - Femoral nerve (L2,3,4)
A - Knee EX
Lift the suprapatellar bursa
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18
Q

adductor longus

A

P - Body of the pubic bone
D - Linea aspira of the posterior femur
N - Obturator nerve (L2,3,4)
A - Hip FL, IR, ADD

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19
Q

adductor brevis

A

P - Body of the pubic bon
D - Pectinate line leading into the linea aspira
N - Obturator nerve (L2,3,4)
A - Hip FL, IR, ADD

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20
Q

adductor magnus

A

P - Anterior: inferior pubic ramus, ischial ramus
Posterior: ischial tuberosity
D - Anterior and Posterior: adductor tubercle of the femur
N - Anterior: obturator nerve (L2,3,4)
Posterior: tibial nerve (L4)
A - Anterior: hip ADD, FL, IR
Posterior: hip EX

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21
Q

gracilis

A 
P - Inferior pubic ramus
D - Pes anserine
N - Obturator nerve (L2,3)
A - Hip FL, IR, ADD
knee FL
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22
Q

obturator externus

A

P - Obturator foramen
D - Trochanteric fossa of the femur
N - Obturator nerve (L3,4)
A - Hip ER, ADD

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23
Q

obturator internus

A

P - Obturator foramen
D - Greater trochanter
N - L5, S1
A - Hip ER, ABD

24
Q

gluteus maximus

A

P - PSIS, sacrum, coccyx
D - Deep: gluteal line of the femur
Superficial: Gerdy’s tubercle via the IT band
N - Inferior gluteal nerve (L5, S1,2)
A - Hip EX, hyperEX, ER, AD (ABD when acting with the TFL)

25
Q

gluteus medius

A 
P - Ala of the ilium
D - Greater trochanter
N - Superior gluteal nerve (L5, S1)
A - Hip ABD
Anterior: hip IR, FL
Posterior: hip ER, EX
26
Q

gluteus minimus

A 
P - Ala of the ilium
D - Greater trochanter
N - Superior gluteal nerve (L5, S1)
A - Hip ABD
Anterior: hip IR, FL
Posterior: hip ER, EX
27
Q

TFL

A

P - ASIS, anterior iliac crest
D - Gerdy’s tubercle via the IT band
N - Superior gluteal nerve (L5, S1)
A - Hip FL, IR (ABD when acting with the glut max)

28
Q

piriformis

A

P - Anterior sacrum
D. -Greater trochanter
N - S1,2
A - Hip ER, ABD

29
Q

superior and inferior gemelli

A 
P - Superior: ischial spine
Inferior: ischial tuberosity
(obturator foramen)
D - Greater trochanter (fused tendon with the obturator internus)
N - L5, S1
A - Hip ER, ABD
30
Q

quadratus femoris

A

P - Ischial tuberosity (rim of the obturator foramen)
D - Intertrochanteric crest
N - L5, S1
A - Hip ER, ADD

31
Q

semitendinosis

A 
P - Ischial tuberosity
D - Pes anserine
N - Tibial nerve (L5, S1,2)
A - Hip EX, IR
Knee FL
32
Q

semimembrinosis

A 
P - Ischial tuberosity
D - Medial condyle of the tibia
N - Tibial nerve (L5, S1,2)
A - Hip EX, IR
Knee FL
33
Q

biceps femoris

A 
P - Long head: ischial tuberosity
Short head: femur
D - Long head: lateral condyle of the tibia and fibula
Short head: lateral fibula
N - Long head: tibial nerve (L5, S1,2)
Short head: fibular nerve (L5, S1,2)
A - Hip EX, ER
Knee FL
34
Q

tibialis anterior

A 
P - Tibia, interosseous membrane, fibula
D - Medial cuneiform and base of the 1st metatarsal
N - Deep fibular nerve (L4,5) 
A - Stabilizes the tib-fib joint DF
Inversion
35
Q

extensor digitorum longus

A 
P - Tibia, interosseous membrane, fibula
D - Distal phalanges of digits 2-5
N - Deep fibular nerve (L4,5)
A - Stabilizes the tib-fib joint DF
DIP/ PIP EX
36
Q

extensor hallucis longus

A 
P - Tibia, interosseous membrane, fibula
D - Extensor expansion of digit 1
N - Deep fibular nerve (L4,5)
A - DF
Inversion
IP EX of 1st digit
37
Q

fibularis tertius

A 
P - Tibia, interosseous membrane, fibula
D - Base of the 5th metatarsal
N - Deep fibular nerve (L4,5)
A - DF
Eversion
38
Q

fibularis longus

A 
P - Fibula***
D - Base of the 1st cuneiform and 1st metatarsal
N - Superficial fibular nerve (L5, S1,2)
A - PF
Eversion
Maintain the transverse arch of the foot
39
Q

fibularis brevis

A 
P - Fibula ***
D - Base of the cuboid and the 5th metatarsal
N. -Superficial fibular nerve (L5, S1,2)
A - PF
Eversion
40
Q

gastrocnemius

A

P - Medial and lateral condyles of the femur
D - Calcaneus through the Achilles tendon
N - Tibial nerve (S1,2)
A - Knee FL
Ankle PF

41
Q

soleus

A

P - Tibia, interosseous membrane, fibula
D - Calcaneus through the Achilles tendon
N - Tibial nerve (S1,2)
A - PF

42
Q

popliteus

A 
P - Lateral condyle of the femur (and lateral meniscus) 
D - Proximal medial posterior tibia
N - Tibial nerve (L4,5, S1)
A  - ER of the femur
IR of the tibia
(unlocks the knee)
43
Q

tibialis posterior

A 
P - Tibia, interosseous membrane, fibula
D - Calcaneus, cuboid, navicular
N - Tibial nerve (L4,5)
A - PF
Inversion
44
Q

flexor hallicus longus

A 
P - Tibia, interosseous membrane, fibula
D - Distal phalanx of the 1st digit
N - Tibial nerve (L4,5)
A. - PF
Inversion
FL of the 1st digit
45
Q

flexor digitorum longus

A 
P - Tibia, interosseous membrane, fibula
D -  Distal phalanx of digits 2-5
N - Tibial nerve (L4,5)
A - PF
Inversion
FL of digits 2-5
46
Q

abductor hallicus

A

P - Calcaneus
D - Lateral aspect of the proximal phalanx of digit 1
N - Branches of the tibial nerve (S2,3)
A - Maintains the medial longitudinal arch
Provides cushioning
1st MTP ABD

47
Q

flexor digitorum brevis

A 
P - Calcaneus
D - Middle phalanx of digits 2-5 
N - Branches of the tibial nerve (S2,3)
A - Maintains the longitudinal arches
Provides cushioning
PIP FL of digits 2-5
48
Q

abductor digiti minimi

A

P - Calcaneus
D - Lateral aspect of the proximal phalange of the 5th digit
N - Branches of the tibial nerve (S2,3)
A - Maintains the lateral longitudinal arch
Provides cushioning
5th MTP ABD

49
Q

quadratus plantea

A

P - Calcaneus
D - Tendons of the FL digitorum longus
N - Branches of the tibial nerve (S2,3)
A - Pulls the FL digitorum longus laterally for better force production

50
Q

lumbricals

A 
P - Tendons of FL digitorum longus 
D - Extensor expansions of digits 2-5
N - Branches of the tibial nerve (S2,3)
A - MTP FL of digits 2-5
IP EX of digits 2-5
51
Q

flexor hallucis brevis

A

P - Cuboid and 3rd cuniform
D - Both sides of the proximal phalanx of digit 1
N - Branches of the tibial nerve (S2,3)
A - 1st MTP FL

52
Q

adductor hallucis

A 
P - Oblique: bases of metatarsals 2-5
Transverse: heads of metatarsal 5
D - Base of the proximal phalanx of digit 1 (lateral sesamoid bone)
N - Branches of the tibial nerve (S2,3)
A - Supporting the transverse arch
53
Q

flexor digiti minimi brevis

A

P - Base of the 5th metatarsal
D - Proximal phalanx of the 5th
N - Branches of the tibial nerve (S2,3)
A - 5th PIP FL

54
Q

planter interossei

A 
P - Metatarsals of digits 3-5 
D - Phalanges of digits extensor expansions joint 3-5
N - Branches of the tibial nerve (S2,3)
A - ADD of digits 3-5
MTP FL of digits 3-5
IP EX of digits 3-5
55
Q

dorsal interossei

A

P - Metatarsals of digits 2-4 (two on digit 2)
D - Phalanges of 2-4 extensor expansions (two on digit 2)
N - Branches of the tibial nerve (S2,3)
A - ABD of digits 2-4
ADD of digit 2
MTP FL of digits 2-4
IP EX of digits 2-4

56
Q

extensor digitorum brevis

A 
P - Calcaneus
D - Extensor expansion of digits 2-5
N - Deep fibular nerve (L5, S1)
A - MTP and IP EX of digits 2-5
Modulates the arch
57
Q

extensor hallucis brevis

A 
P - Calcaneus
D - Proximal phalanx of digit 1
N - Deep fibular nerve (L5, S1)
A - 1st MTP and IP EX
Modulates the arch

Anatomy Test 3 (5 decks)

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