34 Questions
Which muscle is responsible for extension of the neck?
Semispinalis cervicis
Which muscle(s) is responsible for lateral flexion of the trunk (unilateral)?
Erector Spinae
Which muscle is responsible for extension of the head, cervical spine, and thoracic spine?
Semispinalis
Which muscle is responsible for stabilization of the vertebral column?
Multifidus
Which muscle is responsible for proprioception of the vertebral column?
All of the above
Which muscle(s) is responsible for contralateral rotation of trunk?
Semispinalis thoracis
Which muscle is the middle member of the short triangular muscles and thickest in the lumbar region?
Multifidus
Which muscle connects adjacent spinous processes and is responsible for extension and rotation?
Interspinales
Which muscle connects TVPs to SPs and is responsible for stabilization and proprioception?
Rotatores
Which of the following muscles is considered a superficial extrinsic back muscle?
Trapezius
Which nerve innervates the trapezius muscle?
Spinal accessory nerve CN XI
Which muscle connects the vertebral column with the upper limb?
All of the above
Which muscle is considered an intermediate extrinsic back muscle?
Serratus posterior superior
Which muscle is deep to the rhomboid muscle?
Serratus posterior superior
Which muscle receives motor fibers from the spinal accessory nerve CN XI?
Trapezius
Which nerves innervate the intercostal muscles?
Intercostal nerves
Which muscles are considered superficial respiratory muscles?
Serratus posterior
Which muscles originate from the iliac crest and the sacrum?
All of the above
Which of the following are the chief extensors of the vertebral column?
Erector Spinae
Which muscle group is part of the superficial layer of the intrinsic back muscles?
Splenius group
Which muscle(s) is part of the intermediate layer of the intrinsic back muscles?
Erector Spinae
Which muscle group is part of the deep layer of the intrinsic back muscles?
Transversospinalis Group
Which muscle is responsible for extension of the neck when contracted bilaterally?
Sternocleidomastoid
Which muscle is responsible for lateral flexion of the neck when contracted unilaterally?
Splenius Cervicis
Which muscle is responsible for ipsilateral rotation of the neck when contracted?
Splenius capitis
Which muscle attaches to the angle of ribs and cervical transverse processes?
Iliocostalis
Which muscle group attaches to the spinous processes, laminae, and ligaments of superior vertebrae?
Transversospinalis Group
Which muscle action is associated with semispinalis?
Contralateral rotation of trunk
The Erector Spinae muscle has three parts according to superior attachments, namely lumborum, thoracis, and cervicis.
True
Multifidus consists of short, triangular muscles that are more proprioceptive than motor in function
False
Serratus posterior group are more proprioceptive than motor in function
True
Rectus capitis group are innervated by the _____ nerve
Which nerve innervates the platysma?
CN VII- Facial
The rectus capitis group and the obliquus group are both responsible for.... (list 1 action)
Test your knowledge of the back and anterior neck muscles with this quiz! Identify the muscles and their attachments, locations, and innervation. Challenge yourself on the superficial extrinsic back muscles and the intermediate extrinsic back muscles, such as the trapezius and latissimus dorsi.
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