A Brief Description of Trunk Muscles Anatomy Flashcards

Do you want some flashcards to help you with a brief description of trunk muscle anatomy? In the flashcards below, you will name the parts of the body that describes. Do check them out and get to see just how well you know the human body. Remember to check out the quiz section once you have read the flashcards.

10 cards   |   Total Attempts: 924
  

Cards In This Set

Front Back
Diaphragm
Answer 1
F: prime move of inspiration; compresses abdominal viscera to aide in defecation, urination, and childbirth
O: xiphoid process, ribs 10-12, costal cartilages 5-9, lumbar vertebrae
I: central tendon
External Intercostals
Answer 2
F: draw ribs 2-12 upward and outward to expand thoracic cavity and inflate lungs
O: inferior margins of ribs 1-11
I: superior margins of ribs 2-12
Internal Intercostals
Answer 3
F: draw ribs downward and inward to compress thoracic cavity and force air from lungs; not needed for relaxed expiration
O: Inferior margins of ribs 1-11
I: superior margins of ribs 2-12
Rectus Abdominis
Answer 4
F: Supports abdominal viscera; flexes waist as in sit-ups; depressses ribs; stabilizes pelvis during walking; increases intra-abdominal pressure to aid in urination, defecation, and childbirth
O: pubis symphysis
I: xiphoid process, costal cartilages 5-7
External Abdominal Oblique
Answer 5
F: flexes waist as in sit-ups; flexes and rotates vertebral column
O: ribs 5-12
I: xiphoid process, linea alba
Internal Abdominal Oblique
Answer 6
F: flexes waist as in sit-up; flexes and rotates vertebral column; pull the chest downward and compress the abdominal cavity
O: inguinal ligament, iliac crest, thoracolumbar fascia
I: xiphoid prcess, linea alba, pubis, ribs 10-12
Transversus Abdominis
Answer 7
F: compresses abdomen, increases intra-abdominal pressure, flexes vertebral column
O: inguinal ligament, iliac crest, thoracolumbar fascia, costal cartilages 7-12
I: xiphoid process, linea alba, pubis, inguinal ligament
Erector Spinae - superficial group
Iliocostalis cervicis, illiocostalis thoracis, illiocostalis lumboru
Answer 8
F: Extend and laterallly flex vertebral column; thoracis and lumborum rotate ribs during forceful inspiration
O: angles of ribs, sacrum, iliac crest
I: cervicis - vertebrae c4-c6; thoracis - vertebrae c7, angles of ribs 1-6; lumborum - angles of ribs 7-12
Erector Spinae - superficial group
Longissimus Cervicis and Longissimus Thoracis
Answer 9
F: extend and laterally flex vertebral column
O: cervicis - vertebrae T1-T4 or T5; thoracis - sacrum, iliac crest, vertebrae T1-L5
I: cervicis - vertebrae C2-C6; thoracis - vertebrae T1-T12, ribs 3 or 4-12
Erector Spinae - superficial group
Spinalis Cervicis and Spinalis Thoracis
Answer 10
F: extend vertebral column
O: Cervicis - nuchal ligament, spinous process of vertebra C7; Thoracis - spinous processes of T11-L2
I: Cervicis - spinous process of axis; thoracis- spinous processes of upper thoracic vertebrae