Anatomy: Head and Neck Flashcards
SCM Origin
- Superior Manubrium (sternal head)
- Medial 1/3 of Superior Clavicle
SCM Insertion
- Mastoid Process
- Lateral Superior Nuchal Line
SCM Bilateral Action
- Neck Flexion
- Elevate Ribs
SCM Unilateral Action
- Ipsilateral Neck Lateral
- Contralateral Head Rotation
SCM Characteristics
- Ropy
- Superficial
Anterior Scalenes Origin
TVPs C3 to C6
Anterior Scalenes Insertion
1st Rib
Anterior Scalenes Bilateral Action
- Neck Flexion
- Rib Elevation
Anterior Scalenes Unilateral Action
- Ipsilateral Neck Lateral Flexion
- Contralateral Cervical Rotation
Anterior Scalenes Characteristics
- Non Ropy
- Superficial and Deep
Middle Scalenes Origin
TVPs C2 to C7
Middle Scalenes Bilateral Action
- Rib Elevation
Middle Scalenes Insertion
1st Rib
Middle Scalenes Unilateral Action
- Ipsilateral Neck Lateral Flexion
- Contralateral Cervical Rotation
Middle Scalenes Characteristics
- Non Ropy
- Superficial and Deep
Posterior Scalenes Origin
TVPs C6 to C7
Posterior Scalenes Insertion
2nd Rib
Posterior Scalenes Bilateral Action
Rib Elevation
Posterior Scalenes Unilateral Action
- Ipsilateral Neck Lateral Flexion
Posterior Scalenes Characteristics
- Non Ropy
- Superficial and Deep
Semispinalis Origin
TVPs C4 to T5
Semispinalis Insertion
Between Superior and Inferior Nuchal Lines
Semispinalis Action
- Head, Cervical, Thoracic Extension
Semispinalis Characteristics
- Non Ropy
- Deep
Rectus Capitis Post Major
C2 SP
Rectus Capitis Post Major Insertion
Inferior Nuchal Line
Rectus Capitis Post Major Action
Head Extension
Rectus Capitis Post Major Characteristics
- Non Ropy
- Deep
Rectus Capitis Post Minor Origin
- Tubercle of C1
- Upper Posterior Arch
Rectus Capitis Post Minor Insertion
Inferior Nuchal Line
Rectus Capitis Post Minor Action
- Head Extension
- Ipsilateral Head Lateral Flexion
Rectus Capitis Post Minor Characteristics
- Non Ropy
- Deep
Oblique Capitis Superior Origin
C1 TVP
Oblique Capitis Superior Insertion
Between Lateral Nuchal Lines
Oblique Capitis Superior Action
- Head Extension
- Ipsilateral Head Lateral Flexion
Oblique Capitis Superior Characteristics
- Non Ropy
- Deep
Oblique Capitis Inferior Origin
C2 SP
Oblique Capitis Inferior Insertion
C1 TVP
Oblique Capitis Inferior Action
Ipsilateral Head Rotation
Oblique Capitis Inferior Characteristics
- Non Ropy
- Deep
Rectus Abdominis Origin
- Pubic Crest
- Pubic Symphysis
Rectus Abdominis Insertion
- Ribs 5 to 7 Cartilage
- Xiphoid Process
Rectus Abdominis Action
- Trunk Flexion
- Posterior Pelvic Tilt
Rectus Abdominis Characteristics
- Non Ropy
- Superficial
Quadratus Lumborum Origin
- Posterior Iliac Crest
- Iliolumbar Ligament
Quadratus Lumborum Insertion
- 12th RIb
- L1 to L4
Quadratus Lumborum Bilateral Action
- Trunk Extension
- Fixes 12th Rib During Respiration
Quatratus Lumborum Unilateral Action
- Ipsilateral Trunk Lateral Flexion
- Hip Elevation
Quadratus Lumborum Characteristics
- Non Ropy
- Deep
Does Quadratus Lumborum Flex the Trunk?
No
Which movement of the vertebral column would shorten the fibers of the rectus abdominis
- extension
- rotation to the opposite side
- lateral flexion to the same side
- flexion
Flexion
Which of the following is an action of the external oblique
- rotate vertebral column to the same side
- rotate vertebral column to the opposite side
- laterally flex vertebral column to the opposite side
- elevate the hip
rotate vertebral column to the opposite side
Which is a part of the insertion of the internal oblique?
- external surface of lower five ribs
- xiphoid process and costal cartilage
- fascia of rectus abdominis
- internal surface of lower three ribs
internal surface of lower three ribs
Which of the following is an action of the internal oblique?
- extend vertebral column
- rotate vertebral column to the opposite side
- rotate vertebral column to the same side
- laterally flex vertebral column to the opposite side
Rotate vertebral column to the same side
Which is the insertion of the transverse abdominis?
- Superior ramus of the pubis
- rectus sheath to linea alba
- fascia of rectus abdominis
- pubic symphysis
Rectus sheath to linea alba
Which of the following is an action of the transverse abdominis
- Flex the vertebral column
- Compress abdominal contents
- Laterally flex the vertebral column
- Rotate the vertebral column to the same side
Compress abdominal contents
Which movement of the vertebral column would shorten the fibers of the internal oblique on the right side of the body?
- rotation to the left
- lateral flexion to the left
- rotation to the right
- extension
Rotation to the right
Which is the insertion of the masseter
- angle and ramus of mandible
- condyle of mandible
- coronoid process of mandible
- crest of mandible
angle and ramus of mandible
Which action at the mandible would shorten the fibers of the masseter?
- Lateral Deviation
- Elevation
- Retraction
- Depression
Elevation
Which muscle mirrors the shape and position of the masseter from the opposite side?
Medial Pterygoid
Which movement at the mandible will lengthen the fibers of the medial pterygoid?
Retraction
Abdominal muscle located on the posterior side of the throax
Quadratus Lumborum
Locating the last rib, posterior iliac crest and the transverse processes of the lumbar vertebrae will help you to isolate which muscle tissue?
Quadratus Lumborum
Which muscles are located between the sternocleidomastoid and the anterior, lateral flap of the trapezius
Scalenes
You might passively flex your partner’s neck and ask him to breathe deeply into his upper chest when palpating which muscle tissue?
Scalenes
What action would contract the levator scapula but not the posterior scalene?
Elevation of the scapula
Before asking your supine partner to flex her neck to contract her SCM, how could you position the head to make the contraction even more visible?
Rotate the head slightly away from the side you are palpating
Which movement of the head an neck would shorten the fibers of the rectus capitis posterior major on the right side of the body?
Rotation to the right
