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Abdominal Muscles Flashcards

1
Q

What is the shape of Iliacus

A

Large, Triangular

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2
Q

What is the location of Iliacus

A

Internal aspect of the Ilium & Sacral Ala

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3
Q

What are the Origins of Iliacus

A

Iliac Fossa, Sacroiliac Ligament

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4
Q

What is the Insertion of Iliacus

A

Lesser Trochanter of Femur

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5
Q

What are the Actions of Iliacus

A

Hip Flexion, Reverse Action, Trunk Flexion

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6
Q

What is the Innervation of Iliacus

A

Femoral Nerve

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7
Q

What is the shape of Psoas Major

A

Long, Thick and Powerful

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8
Q

What is the Location of Psoas Major

A

Adjacent to the L-Spine Vertebral Bodies, Crosses the Hip deep to Inguinal Ligament

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9
Q

What are the Origins of Psoas Major

A

TVP’s of T12-L5, Lumbar Vertebral Bodies, IVD’s of LSpine

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10
Q

What is the Insertion of Psoas Major

A

Lesser Trochanter of Femur

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11
Q

What are the Actions of Psoas Major

A

Thigh Flexion, Reverse Action with Thigh

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12
Q

What is the Innervation of Psoas Major

A

Anterior Rami L1-L3

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13
Q

What is the Location of Transversus Abdominis

A

Deep to the Internal Oblique

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14
Q

What are the Origins of Transversus Abdominis

A

Internal surface of the Costal Cartilages of Ribs 7-12, Thoracolumbar Fascia, Iliac Crest, Lateral aspect of Inguinal Ligament

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15
Q

What is the Insertion of Transversus Abdominis

A

Linea Alba

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16
Q

What is the Action of Transversus Abdominis

A

Supports the Abdominal Viscera

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17
Q

What is the Shape of Rectus Abdominis

A

Strap-Like

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18
Q

What is the Location of Rectus Abdominis

A

Covering the front of the Abdomen

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19
Q

What are the Origins of Rectus Abdominis

A

Pubic Symphysis, Pubic Crest

20
Q

What are the Insertions of Rectus Abdominis

A

Xiphoid Process, Costal Cartilages of Ribs 5-7

21
Q

What is the Action of Rectus Abdominis

A

Flexion of the Trunk

22
Q

What is the Innervation of Rectus Abdominis

A

Intercostal NN, Ventral Rami T5-T12

23
Q

What are the 3 Origins of the Diaphragm

A

Sternal - Posterior aspect of Xiphoid Process
Costal - Internal surface of Inferior 6 Ribs and Costal Cartilages
Lumbar - Superior 2 (left) and 3 (right) Lumbar Vertebrae via Musculotendinous Crura and Medial and Lateral Arcruate Ligament

24
Q

What is the Insertion of the Diaphragm

A

Central Tendon

25
What are the Actions of the Diaphragm
Primary Muscle of Respiration, Descends when contracted - Inhalation
26
What is the Shape of Quadratus Lumborum
Square, Thick
27
What is the Location of Quadratus Lumborum
Posterior Abdominal wall
28
What are the Origins of Quadratus Lumborum
Iliac Crest, Iliolumbar Ligament
29
What are the Insertions of Quadratus Lumborum
TVP’s of L1-L4, 12th Rib
30
What are the Actions of Quadratus Lumborum
Upright Posture Unilateral: Lateral Flexion of Spine Bilateral: Extension of Spine Fixes Rib during Inspiration
31
What is the Innervation of Quadratus Lumborum
Anterior Branches of T12 and L1-L4
32
What is the Location of External Oblique
Most Superficial (forms an Aponeurosis, a sheet of Tendon Fibres), Ends Medially at the Linea Alba, Inferiorly folds back to form the Inguinal Ligament
33
What is the Origin of External Oblique
External surfaces of Ribs 5-12
34
What are the Insertions of External Oblique
Linea Alba, Pubic Tubercle, Anterior Half of the Iliac Crest
35
What are the Actions of External Oblque
Flexion and Contralateral Rotation of the Trunk
36
What is the Location of Internal Oblique
Deep, and at right angles to the External Oblique muscles
37
What are the Origins of Internal Oblique
Thoracolumbar Fascia, Anterior 2/3 of Iliac Crest, Lateral aspect of Inguinal Ligament
38
What is the Insertion of Internal Oblique
Inferior aspect of Ribs 10-12, Linea Alba, Pubis
39
What are the Actions of Internal Oblique
Flexion and Ipsilateral Rotation of the Trunk
40
What is the Shape of Tensor Fascia Lata
Small, Fusiform
41
What is the Location of Tensor Fascia Lata
Anterolateral aspect of the Hip, surrounded by Fascia Lata
42
What are the Origins of Tensor Fascia Lata
ASIS and the Anterior aspect of the Iliac Crest
43
What is the Insertion of the Tensor Fascia Lata
Lateral Condyle of Tibia via ITB
44
What are the Actions of Tensor Fascia Lata
Abducts, Medially Rotates, Flexes Hip/Thigh, Tightens the Fascia Lata, Helps Extend the Knee
45
What is the Innervation of Tensor Fascia Lata
Superior Gluteal Nerve

Anatomy (30 decks)

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