Muscles of the Thoracic and Abdominal Regions Flashcards Preview

Human Musculature > Muscles of the Thoracic and Abdominal Regions > Flashcards

Flashcards in Muscles of the Thoracic and Abdominal Regions Deck (11):
1

External Intercostals

O: inferior margins of ribs 1-11
I: superior margins of ribs 2-12
N: intercostals nerves

2

Teres Major

O: from inferior angle to lateral border of scapula
I: intertubercular groove of humerus
N: subscapular n.

3

Diaphragm

O: diploid process, ribs 10-12, costal cartilages 5-9, lumbar vertebrae

4

Rectus Abdominis

O: pubis
I: diploid process, costal cartilages 5-7
N: intercostals nerves 7-12

5

External Abdominal Oblique

O: ribs 5-12 (inferior 8 ribs)
I: xiphoid process, lines alba
N: intercostal nn, 8-12 iliohypogastric, ilioinguinal n.

6

Internal Intercostals

O: inferior margins of ribs 1-11
I: superior margins of ribs 2-12
N: intercostals nerves

7

Serratus Anterior

O: ribs 1-8 to 9 (varies)
I: medial border of scapula
N: long thoracic n.

8

Pectoralis Minor

O: ribs 3-5
I: coracoid process
N: medial and lateral pectoral nn.

9

Pectoralis Major

O: clavicle, sternum, costal cartilages 1-6, aponeurosis of external abdominal oblique
I: inter tubercular groove of humerus
N: medial and lateral pectoral nn.

10

Latissimus Dorsi

O: vertebrae T7-L5, lower 3 or 4 ribs, thoracolumbar fascia, iliac crest, inferior angle of scapula
I: inter tubercular groove of humerus
N: thoracodorsal n.

11

Transversus Abdominis

O: inguinal ligament, iliac crest, thoracolumbar fascia
I: diploid process, lines alba, pubis, inguinal ligament
N: intercostal nn, 8-12 iliohypogastric n., ilioinguinal n.