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