Spine & Pelvic Diaphragm Quiz

Which muscle is NOT part of the pelvic diaphragm?

• Levator ani

• Coccygeus

• Piriformis

• Pubococcygeus

What is the primary function of the vertebrae?

• To provide a site for muscle attachment

• To protect the spinal cord

• To assist in movement

• All of the above

Which muscle group is primarily responsible for extending the spine?

• Erector spinae

• Transversospinales

• Rectus abdominis

• Internal obliques

Which ligament runs along the anterior surface of the vertebral bodies?

• Anterior longitudinal ligament

• Posterior longitudinal ligament

• Ligamentum flavum

• Supraspinous ligament

The coccygeus muscle, along with which other muscle, forms the pelvic diaphragm?

• Piriformis

• Levator ani

• Obturator internus

• Gluteus maximus

How many vertebrae are typically found in the human spine?

• 24

• 26

• 33

• 31

Which of the following muscles is NOT involved in the rotation of the spine?

• Multifidus

• Semispinalis

• External obliques

• Psoas major

The supraspinous ligament connects which parts of the vertebrae?

• The spinous processes

• The transverse processes

• The vertebral bodies

• The laminae

Which part of the vertebrae provides the most protection for the spinal cord?

• Spinous process

• Vertebral body

• Transverse process

• Vertebral foramen

The iliococcygeus, pubococcygeus, and puborectalis are parts of which muscle?

• Coccygeus

• Levator ani

• Piriformis

• Gluteus maximus