Anatomy: Back Muscles

Question 1

This is the base of a skull. Identify the external occipital protuberance, mastoid process, superior and inferior nuchal lines.

Answer 1

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Question 2

Identify the vertebral foramen, body, spinous process, transverse process, pedicles, laminae, articular facets and processes, and vertebral arch.

Answer 2

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Question 3

What is labeled IV in this picture?

Answer 3

Intervertebral foramen

Question 4

How do cervical, thoracic and lumbar vertebrae differ?

Answer 4

Cervical have transverse foramina, thoracic look like elephants and lumbar are large.

Question 5

Identify the spine, acromion, superior angle, inferior angle, medial border, supraspinous fossa and infraspinous fossa.

Answer 5

This has everything but the superior and inferior angles which are logically the points on the top and bottom of the scapula.

Question 6

Identify the iliac crest and posterior iliac spine.

Answer 6

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Question 7

Identify the trapezius, latissimus dorsi, rhomboid major, rhomboid minor, levitator scapulae, serratus posterior superior, serratus posterior inferior, splenius and erector spinae.

Answer 7

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Question 8

Where is the spinal accessory nerve located? What does it run with?

Answer 8

Deep in the trapezius. Transverse cervical artery.

Question 9

Find the thoracodorsal nerve and artery.

Answer 9

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Question 10

How long before the transverse cervical artery joins the spinal accessory nerve?

Answer 10

It originates in the thyrocervical arterial trunk (5). It branches from this trunk as the transverse cervical artery (4) and branches down to join the spinal accessory nerve in the trapezius muscle.

Question 11

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Answer 11

1. Trapezius 2. Latissimus Dorsi 3. Thoracolumbar Fascia

Question 12

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Answer 12

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Question 13

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Answer 13

1. Serratus Posterior Superior 2. Serratus Posterior Inferior

Question 14

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Answer 14

Erector Spinalis

Question 15

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Answer 15

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Question 16

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Answer 16

Cervical Vertebra: 1. Transverse Foramen 2. Transverse Process 3. Spinous Process

Question 17

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Answer 17

Thoracic Vertebra: 1. Body 2. Vertebral Foramen 3. Pedicle 4. Lamina 5. Vertebral/Neural Arch 6. Spinous Process 7. Transverse Process

Question 18

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Answer 18

Lumbar Vertebra: 1. Body 2. Vertebral Foramen 3. Pedicle 4. Lamina 5. Spinous Process 6. Transverse Process

Question 19

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Answer 19

Lumbar Vertebra: 1. Superior Articular Process 2. Inferior Articular Process 3. Body 4. Lamina 5. Spinous Process 6. Transverse Process

Question 20

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Answer 20

Scapula: 1. Spine 2. Acromion 3. Inferior Angle 4. Superior Angle 5. Medial Border

Question 21

Answer 21