Anatomy Flashcards
What is the main function of the psoas major muscle?
Flexion of the thigh at the hip joint
Which muscle is responsible for lateral flexion of the trunk?
Quadratus lumborum
True or False: The iliacus muscle is considered part of the posterior abdominal wall muscles.
False
Which muscle is innervated by the subcostal nerve?
Quadratus lumborum
What is the main function of the transversus abdominis muscle?
Compresses the abdominal contents
Which muscle lies deep to the transversus abdominis?
Internal oblique
Which muscle is innervated by the iliohypogastric nerve?
Transversus abdominis
What is the primary action of the quadratus lumborum muscle?
Lateral flexion of the trunk
Which muscle is responsible for maintaining intra-abdominal pressure?
Transversus abdominis
What is the main function of the psoas minor muscle?
Assists in flexion of the trunk
Which muscle is innervated by the ilioinguinal nerve?
Iliopsoas
True or False: The quadratus lumborum muscle helps in extension of the lumbar spine.
True
Which muscle is considered the most superficial of the posterior abdominal wall muscles?
External oblique
What is the main function of the iliacus muscle?
Flexion of the thigh at the hip joint
What is the main function of the internal oblique muscle?
Lateral flexion of the trunk
