Unit 4 Spine & Back

Question 1

Dorsal Rami (Posterior)

Answer 1

• Sensory from & motor to deep muscles of back
• Zygapophyseal joints

Question 2

Superficial Muscles

Answer 2

• Iliocostalis
• Longissimus
• Spinalis
• Splenius cervicis & capitus

Question 3

Deep Muscles (Transverse-Spinal)

Answer 3

• Semispinalis
• Rotatores
• Multifidus

Question 4

Erector Spinous Group

Answer 4

• Iliocostalis
• Longissimus
• Spinalis

Question 5

Erector Group Function

Answer 5

• Extend vertebral column & head
• Laterally flex column

Question 6

Erector Group Innervation

Answer 6

• Dorsal rami

Question 7

Splenius Cervicis Function

Answer 7

• Laterally flex neck

Question 8

Splenius Capitis Function

Answer 8

• Extend & rotate head

Question 9

Multifidus Function

Answer 9

• Vertebral extension
• Vertebral stabilization

Question 10

Rotatores Function

Answer 10

• Vertebral extension & rotation
• Vertebral stabilization