What are tendinous intersections?
A. Round tendonlike structures attaching muscle to bone
B. Fibrous, perpendicular insertions between successive sheets or blocks of muscle
C. Flat sheets of connective tissue used for muscle insertion
D. Thin layers of muscle used to attach two other muscles together
E. Narrow, vertical, fibrous strips used to attach muscle sheaths of the left and right rectus abdominis
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Question 2) The muscles between the ribs that function to depress the ribs during forced expiration are the __________ intercostal muscles.
Fill in the blank with correct word.
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Question 3) The most laterally placed of the three erector spinae components, the ___________ group, is composed of three parts: cervical, thoracic, and lumbar.
A. longissimus
B. spinalis
C. iliocostalis
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Question 4) When the quadratus lumborum muscles contract bilaterally, they flex the vertebral column.
Indicate whether this statement is true or false.
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Question 5) When contracted, this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity. Its insertion is on a central tendon.
A. Internal intercostals
B. External intercostals
C. Transversus thoracis
D. Diaphragm
E. Serratus posterior inferior
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Question 6) The omohyoid is an example of an infrahyoid muscle.
Indicate whether this statement is true or false.
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Question 7) This muscle extends and rotates the vertebral column toward the opposite side of the body. Its origin is on the sacrum and transverse processes of each vertebra and its insertion is the spinous processes of more superior vertebrae.
A. Multifidus
B. Interspinales
C. Intertransversarii
D. Rotators
E. Quadratus lumborum
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Question 8) If the right sternocleidomastoid contracts unilaterally, the resulting movement will be
A. lateral flexion of the head to the right and rotation of the head to the left.
B. lateral flexion of the head to the left and rotation of the head to the right.
C. lateral extension of the head to the right and rotation of the head to the left.
D. lateral extension of the head to the left and rotation of the head to the right.
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Question 9) When the left and right splenius capitis contract together, the resulting movement is
A. wrinkling of the brow.
B. flexion of the neck.
C. elevation of the larynx.
D. extension of the neck.
E. pulling of the scalp anteriorly.
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Question 10) This muscle has its origin on the manubrium and sternal end of the clavicle and its insertion on the mastoid process.
A. Longissimus capitis
B. Sternocleidomastoid
C. Scalene
D. Splenius capitis
E. Splenius cervicus
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