Podcast
Questions and Answers
Which group of muscles in the back specifically act on the vertebral column and help maintain posture?
Which group of muscles in the back specifically act on the vertebral column and help maintain posture?
- Intrinsic back muscles (correct)
- Superficial extrinsic back muscles
- Extrinsic back muscles
- Intermediate extrinsic back muscles
Which of the following muscles is NOT considered a superficial extrinsic back muscle?
Which of the following muscles is NOT considered a superficial extrinsic back muscle?
- Trapezius
- Levator scapulae
- Latissimus dorsi
- Rhomboids (correct)
Which nerve supplies the trapezius muscle?
Which nerve supplies the trapezius muscle?
- Cervical nerves
- Cranial nerve
- Intercostal nerves
- Spinal accessory nerve (correct)
Which muscles are commonly designated as superficial respiratory muscles?
Which muscles are commonly designated as superficial respiratory muscles?
Which layer of the intrinsic back muscles lies deep to the rhomboid muscles?
Which layer of the intrinsic back muscles lies deep to the rhomboid muscles?
Which layer of the intrinsic back muscles lies deep to the latissimus dorsi?
Which layer of the intrinsic back muscles lies deep to the latissimus dorsi?
Which nerves innervate the serratus muscles running within the ribcage?
Which nerves innervate the serratus muscles running within the ribcage?
Which nerves innervate the intrinsic back muscles?
Which nerves innervate the intrinsic back muscles?
Which layer of the intrinsic back muscles are grouped according to their relationship to the surface?
Which layer of the intrinsic back muscles are grouped according to their relationship to the surface?
Which muscles in the back produce and control limb movements?
Which muscles in the back produce and control limb movements?
Which muscle lies deep to the trapezius, sternocleidomastoid, splenius, and semispinalis muscles?
Which muscle lies deep to the trapezius, sternocleidomastoid, splenius, and semispinalis muscles?
Which muscle is innervated by the posterior ramus of C1?
Which muscle is innervated by the posterior ramus of C1?
Which muscle is responsible for extension of the atlanto-occipital joint?
Which muscle is responsible for extension of the atlanto-occipital joint?
Which muscle is responsible for rotation of the atlanto-axial joint?
Which muscle is responsible for rotation of the atlanto-axial joint?
Which muscle is innervated by the ventral rami of the cervical spinal nerves?
Which muscle is innervated by the ventral rami of the cervical spinal nerves?
Which muscle is responsible for lateral flexion of the head and neck during unilateral contraction?
Which muscle is responsible for lateral flexion of the head and neck during unilateral contraction?
Which muscle is responsible for contralateral rotation of the head and neck during unilateral contraction?
Which muscle is responsible for contralateral rotation of the head and neck during unilateral contraction?
Which muscle is responsible for extension of the head and upper neck during bilateral contraction?
Which muscle is responsible for extension of the head and upper neck during bilateral contraction?
Which muscle is responsible for flexion of the lower neck during bilateral contraction?
Which muscle is responsible for flexion of the lower neck during bilateral contraction?
Which muscle is responsible for elevation of the sternum and clavicle during forced inhalation?
Which muscle is responsible for elevation of the sternum and clavicle during forced inhalation?
Which layer of deep back muscles consists of the splenius capitis and splenius cervicis muscles?
Which layer of deep back muscles consists of the splenius capitis and splenius cervicis muscles?
Which layer of deep back muscles consists of the erector spinae muscles?
Which layer of deep back muscles consists of the erector spinae muscles?
Which layer of deep back muscles consists of the semispinalis, multifidus, and rotatores muscles?
Which layer of deep back muscles consists of the semispinalis, multifidus, and rotatores muscles?
Which layer of deep back muscles is the most superficial?
Which layer of deep back muscles is the most superficial?
Which layer of deep back muscles is the deepest?
Which layer of deep back muscles is the deepest?
Which muscles are the chief extensors of the vertebral column?
Which muscles are the chief extensors of the vertebral column?
Which muscles aid in extension, lateral flexion, and rotation of the neck?
Which muscles aid in extension, lateral flexion, and rotation of the neck?
Which muscles are responsible for stabilization of the vertebral column?
Which muscles are responsible for stabilization of the vertebral column?
Which muscles are best developed in the thoracic region and assist in small rotatory movements in the thoracic spine?
Which muscles are best developed in the thoracic region and assist in small rotatory movements in the thoracic spine?
Which muscles connect spinous processes and transverse processes in the back?
Which muscles connect spinous processes and transverse processes in the back?
Flashcards
Intrinsic back muscles
Intrinsic back muscles
Muscles that directly attach to the vertebrae and help maintain posture.
Superficial extrinsic back muscles
Superficial extrinsic back muscles
Muscles that move the limbs and are located on the surface of the back.
Superficial respiratory muscles
Superficial respiratory muscles
Serratus posterior superior and inferior muscles are involved in breathing.
Deep layer of intrinsic back muscles
Deep layer of intrinsic back muscles
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Deep layer of intrinsic back muscles
Deep layer of intrinsic back muscles
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