10 Questions
Which line runs vertically along the anterior axillary fold formed by the pectoralis major muscle?
Midaxillary line
Which line is drawn vertically along the posterior axillary fold formed by the latissimus dorsi and teres major muscles?
Posterior axillary line
Which line is parallel to the AAL and passes through the midpoint of the clavicle?
Midclavicular line
Which line is a vertical line along the tips of the spinous processes of the vertebrae?
Posterior median line
Which lines are parallel to the posterior median line and intersect the inferior angles of the scapula?
Scapular lines
Which part of the trunk is the thorax located between?
The neck and the abdomen
What are the components of the thorax?
Bones, muscles, fascia, and skin
Which vertebrae have single facets for rib head?
TV10 - TV12
Which type of ribs attach directly to the sternum?
True or vertebrocostal ribs (1-7)
Where are the anatomical features of typical ribs located?
On the proximal end
Study Notes
Axillary Lines
- The Mid-Axillary Line (MAL) runs vertically along the anterior axillary fold formed by the pectoralis major muscle.
- The Posterior Axillary Line (PAL) is drawn vertically along the posterior axillary fold formed by the latissimus dorsi and teres major muscles.
Clavicle Line
- The Mid-Clavicular Line (MCL) is parallel to the AAL and passes through the midpoint of the clavicle.
Spinous Processes
- The Vertebral Line is a vertical line along the tips of the spinous processes of the vertebrae.
Scapular Lines
- The Scapular Lines are parallel to the posterior median line and intersect the inferior angles of the scapula.
Thorax
- The thorax is located between the neck and abdomen in the trunk.
- The components of the thorax are the thoracic cage, thoracic cavity, and organs within the thoracic cavity.
Vertebrae and Ribs
- The 2nd to 9th thoracic vertebrae have single facets for rib head.
- The True Ribs (1-7) attach directly to the sternum.
- The anatomical features of typical ribs are located at the thoracic vertebrae 2-9.
Test your knowledge of anatomical lines with this quiz! Learn about the anterior median line, midclavicular line, and anterior axillary line and their significance in the thoracic wall. Challenge yourself with questions on their locations and functions.
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