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BLK 2- OIIA Flashcards

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1
Q

Pectineus: O,I,IN, A

A

O: Superior Ramus of Pubis
I: Pectineal Line of femur, just inferor to lesser trochanter
In: Femoral nerve (L2,3,4)
A: Adduction and Flexion of the thigh

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2
Q

Iliacus: O, I, IN, A

A

O: iliac crest, iliac fossa, ala of sacrum, anterior sacroiliac ligaments
I: lesser trochanter of femur with psoas major
In: Fermoral nerver (L2,3,4)
A: flex the thigh at hip, stabilize hip at joint, rotate femur laterally

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3
Q

Psoas Major: O,I, IN, A

A

O: Sides of T12-L5
I: conjoined tendon with iliacus into the lesser trochanter
In: ventral (anterior) rami of lumbar nerves (L1,L2,L3)
A: flex thigh at hip, stabilize hip joint, rotate femur laterally

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4
Q

Psoas Minor: O, I, In, A

A

O: Sides of T12 and L1 vertebrae and intervertebral discs
I: Pectineal line of the pelvic brim
In: ventral (anterior) rami of lumbar nerves (L1,L2)
A: Flex Trunk

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5
Q

Sartorius: O,I,IN,A

A

O: ASIS and superior part of notch inferior to it
I: Superior part of medial surface of tibia
In: Femoral nerve (L2,L3,L4)
A: Flex, Abduct, and Lateraly rotate the thigh at the hip joint, flexes knee at joint, medial rotation of tibia at knee (figure 4 position)

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6
Q

Sartorius :O,I,IN,A

A

O: ASIS and superior part of notch inferior to it
I:Superior part of medial surface of tibia (pes anserinus)
IN: Femoral nerve (L2,3,4)
A: Flex, Abduct, and Lateral rotate the thigh at the hip joint, flexes the leg at knee joint, medial rotation of tibia at knee (Figure four position)

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7
Q

What are the Quadriceps Muscles

A

FLIM, Rectus Femoris, Vastus Lateralis, Vastus Intermedius, Vastus Medialis

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8
Q

Rectus Femoris :O,I,IN,A

A

O: AIIS and Ilium, superior to acetabulum
I: Base of Patella, and tibial tuberosity through patellar tendon/ligament
In: femoral (L2,3,4)
A: Extend leg at knee joint, helps flex thigh at the hip joint

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9
Q

Vastus Lateralis:O,I,IN,A

A

O: greater trachanter and laterl lip of linea apera of femur
I: Base of patella and tibial tendon/ligament
IN: Femoral (L2,3,4)
A: Extend leg at knee joint

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10
Q

Vastus Intermedius: O,I,IN,A

A

O: anterior and lateral surfaces of proximal 2/3 of the femur
I: Base of patella and tibial tendon/ligament
IN: Femoral (L2,3,4)
A: Extend leg at knee joint

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11
Q

Vastus Medialis (VMO): O,I,IN,A

A

O: intertrochanteric line and medial lip of linea aspera of femur
I: Base of patella and tibial tendon/ligament
IN: Femoral (L2,3,4)
A: Extend leg at knee joint

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12
Q

Adductor Lungus:O,I,IN,A

A

O: body of pubis, inferior to pubic crest
I: middle 1/3 of linea aspera
In: Anterior Branch of obturator nerve (L2, L3,L4)
A: Adducts the thigh

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13
Q

Adductor Brevis: O,I,IN,A

A

O: Body of the inferior ramus of pubis
I: pectineal line and proximal part of the linea aspera of femur
In: Anterior Branch of obturator nerve (L2, L3,L4)
A: Adducts the thigh, may aid in hip flexion

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14
Q

Adductor Magnus: O,I, IN, A

A

O: Adductor: inferior ramus of pubis ramus of ishium Hamstring Part: ischial tuberosity
I Adductor: gluteal tuberosity, linea aspera, medial supracoondylar line
I Hamsting: adductor tuberacle of femur
In Adductor: Posterior Branch of obtuatur nerve (L2,3,4)
In Hamstring: Tibial nerve (L4-S3)
A: Adducts thigh, flexes thigh(adductor), extends thigh ( hamstring)

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15
Q

Gracilis: O, I, IN, A

A

O: Body and Inferior ramus of the pubis
I: superior part of medial surface of tibia (pes anserinus)
In: anterior branch of obturator nerve (L2,3,4)
A: adducts thigh, aids in flexion and medial rotation at the knee

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16
Q

Obturator externus: O, I, IN, A

A

O: Margins of the Obturator foramen and membrane
I: Trochanteric fossa of femur
In: Obturator Nerve (L2,3,4)
A: External rotation of the thigh
]

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17
Q

Femoral Triangle Borders: Superior

A

inguinal ligament

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18
Q

Femoral Triangle Borders: Medially

A

Medial border of adductor longus

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19
Q

Femoral Triangle Borders: laterally

A

medial border of satorius

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20
Q

Femoral Triangle Borders: floor (L-M)

A

Iliopsoas
Pectineus
Adductor longus

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21
Q

Femoral Triangle Borders: Contents

A

Femoral Sheath (femoral artery and vein), Femoral nerve , Fat and Lymph vessels

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22
Q

Medial Thigh Muscles

A

Adductors:
- Adductor Longus
- Adductor Brevis
- Adductor Magnus
- Gracilis
- Obturator Externus

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23
Q

Tensor Fascia Lata: O, I, IN, BS, A

A

O: ASIS, anteior part of iliac crest
I: ITB, lateral condyle of tibia
In: Superior Gluteal Nerve (L4,5, S1)
BS: Superior Gluteal artery
A: Abducts, medial rotate, flexes thigh

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24
Q

Gluteus Maximus: O, I, IN, BS, A

A

O: Ilium posteior to the posterior gluteal line, dorsal surface of the sacrum and coccyx and sacrotuberous ligament
I: inferior portion, gluteal tuberosity; superior portion, illiotibial tract
IN: inferior Gluteal N. (L5, S1, S2)
BS: Inferior Gluteal a.
A: extends thigh, assits in lateral rotation, assists in raising trunk from flexed position, stabilizes the knee joint during landing

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25
Gluteus Medius: O, IN, I, BS, A
O: External surface of the illium between the anterior and posterior gluteal lines IN: lateral surface of the greater trochanter of the femur I: Supperior Gluteal (L4, 5, S1) BS: Superior Gluteal A: abduction and medial rotation of thigh; steadies the pelvis when the opposite leg is raised
26
Gluteus Minimus: O, I, IN, BS, A
O: external surface of ilium between the anterior and inferior gluteal lines I: anterior surface of the greater trochanter of the femur I: Supperior Gluteal (L4, 5, S1) BS: Superior Gluteal A: abduction and medial rotation of thigh; steadies the pelvis when the opposite leg is raised
27
What is Trendelenburg's Sign
The supporting and steadying actions of the muscles is lost and the pelvis falls on the side of the raised limb, opposites side is weak
28
Why is the piriformis important?
88-90% of cases sciatic n. enters gluteal region inferior to piriformis
29
Piriformis: O, I, IN, BS, A
O: anterior surface of sacrum and sacrotuberous ligament I: superior border of the greater trochanter of the femur In: Nerve to Piriformis (ventral Rami) (S1,S2) BS: Inf. Glut A, Sup. Glut A (Lateral Sacral) A: external rotation of the femur, abducted flexed thigh
30
obturator internus: O,I,IN, BS, A
O: Posterior aspect of the ischial ramus, pubic ramus and obturator membrane I: Medial surface of greater trochanter of the femur IN: nerve to obturator internus (L5, S1,S2) BS: Inf Glut A., Obturator A Action: evternal rotation of the femur, abduction of flexed thigh
31
Superior Gemellus: O, I, IN, BS, A
O: ischial spine I: medial surface of the greater trochanter In: nerve to obturator Internus (L5, S1, S2) BS: Inf. Gluteal A, Obturator A A: Lateral rotation of extended thigh, abduction of flexed thigh steadies the femoral head in the acetabulum
32
Inferior Gemellus: O, I, IN, BS, A
O: Ischial tuberosity I: Medial surface of the greater trochanter of the femur IN: Nerve to Quadratus Femoris (L4, L5, S1) BS: Inf. Gluteal Obturator A: lateral rotation of extended thigh, abduction of flexed thigh steadies the femoral head in the acetabulum
33
Quadratus Femoris: O, I, IN, BS, A
O: Lateral Border of Ischial tuberosity I: Quadrate tubercle on the intertrochanteric crest of the femur In: nerve to Quadratus Femoris (L4, L5, S1) BS: Inferior Gluteal A A: lateral (external) rotation of thigh
34
What are the 4 cutaneous nerves of the gluteal region?
- Superior (Cluneal) L1-L3 - Medial (Cluneal) S1-S3 - Inferior (Cluneal)- Post. Fem. Cut. - Posterior Femoral Cutaneous Nerve S1-S3
35
What are the muscles in the hamstring group (posterior thigh)
- Semitendinosus - Semimembranosus - Biceps Femoris (long head)
36
What are the two muscles that are "tweeners" to the hamstring group
- Adductor Magnus (hamstring portion) - Biceps Femoris (Short Head)
37
What is the criteria to be a "hamstring" muscle
1) cross 2 joints 2) innervated by tibial portion of sciatic nerve 3) originate from the Ischial tuberosity
38
Semitendinosis: O,I, IN, BS, A
O: Ischial Tuberosity I: superior- mdial aspect of the tibia (pes-anserinus) IN: Tibial Nerve (L4, L5, S1,S2,S3) BS: Perforating branches of profunda femoris artery A: extend thigh, flex the leg and internally rotate leg when knee is flexed
39
Semimembranosis: O,I, IN, BS, A
O: Ischial tuberosity I: posterior aspect of the medial condyle of the tibia In: Tibial Nerve (L4, L5, S1, S2, S3) BS: Perforating branches of profunda femoris artery A: extend thigh, flex the leg and internally rotate leg when knee is flexed
40
BIceps Femoris (long head): O, I, IN, A
O: ischial tuberosity I: lateral side of the fibula, tendon is split by the fibular collateral lig In: Tibial nerve (L4, L5, S1, S2, S3) A: Flexes the leg and externally rotates the leg when the knee is flexed; extends the thigh
41
Biceps Femoris (Short Head): O, I, In, A
O: lateral lip of linea asperal and lateral supracondylar line of the femur I: lateral side of the fibula tendon is split by the fibular collateral lig In: common fibular (peroneal ) nerve (L4, L5, S1, S2) A: flexes the leg and externally rotates the leg when the knee is flexed
42
What parts of the criteria for a hamstring muscles does the short head of biceps femoris not meet?
origin and innervation
43
Adductor Magnus (Hamstring portion): O, I, IN, A
O: ischial tuberosity I: medial side gluteal tuberosity, linea aspera, medial supracondylar line, adductor tubercle of femur In: Tibial Nerve (L4, L5, S1,S2, S3) A: Extends the thigh at the hip
44
What part of the criteria for hamstring muscles does the hamstring portion of the adductor magnus not meet?
Insertion, meaning it does not cross two joints
45
What is the superolateral border of the popliteal fossa?
Biceps Femoris Muscle
46
What is the superomedial border of the popliteal fossa?
semimembranosus, semitendinosus
47
What is the inferolateral border of the popliteal fossa?
lateral head of gastrocnemius
48
What is the inferomedial border of the popliteal fossa?
medial head of gastrocnemius
49
What is the roof of the popliteal fossa?
skin, superficcal and deep popliteal fascia, small saphenous v. and 3 cutaneous nerves
50
What are the contents of the popliteal fossa?
fat, termination of small saphenous v. , popliteal artery and vein, tibial anc common fibular nerves, 4-6 popliteal lymph nodes Muscles: Plantaris, Popliteus
51
Where is the Genicular Anastomosis
The knee
52
What are the 5 Genicular arteries that create the genicular anastomosis? What are they branches of?
Branches of Popliteal Artery - Superior Medial Genicular - Superior Lateral Genicular - Inferior Medial Genicular - Inferior Lateral Genicular - Middle Genicular
53
Hip Flexion is what innervation?
L2 and L3
54
Hip Extension is what innervation?
L5 and S1
55
Knee extension is what innervation?
L3 and L4
56
Knee flexion is what innervation?
L5 and S1
57
Dorsiflexion of the ankle is what innervation?
L4 and L5
58
Plantar flexion of the ankle is what innervation?
S1 and S2
59
Foot inversion is what innervation?
L4 and L5
60
Foot eversion is what innervation?
L5 and S1
61
Popliteus: O, I, IN, A
O: Lateral surface of the lateral femoral condyle and lateral meniscus I: posterior medial aspect of the tibia In: tibial Nerve A: weakly flexes the knee, unlocked the extended knee by ER the femur in CKC or by IR of tibia in OKC
62
Plantaris: O, I, IN, A
O: lateral supracondylar line I: Colcaneus medial to the Achilles tendon In: tibial nerve a: weak knee flexor and plantar flexor
63
Gastrok Heads: O.I. IN, A
O Medial Head: arises from the posterior aspect of the medial condyle of the femur O Lateral Head: Arises from the lateral aspect of the lateral condyle of the femur I: calcaneus via the Achilles tendon In: Tibial Nerve A: assist with knee flexion, together, plantar flex the foot/ankle
64
Articularis Genu: O, I, In
O: Distal anterior Femur I: suprapatellar bursa, joint capsule and synovial lining In: Femoral nerve

Anatomy (4 decks)

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