What is the obliquus capitis inferior muscle?
The Obliquus Capitis Inferior (also known as the Inferior Oblique) is a small muscle located under the deep cervical vein and runs posteriorly and inferomedially from C1 to C2. It is the only suboccipital muscle that does not attach to the skull. (1)
Origin, insertion and function
Origin
Base of spinous process and adjoining lamina of the axis.
Insertion
Along the inferior aspect of the tip of the transverse process of the atlas.
Function
Rotates the head to the contracted side of the muscle.
Common signs of weak obliquus capitis inferior muscles
A weak obliquus capitis inferior muscle can lead to various symptoms, including:
- Neck pain or stiffness
- Decreased range of motion in the neck
- Forward head posture
- Headaches or migraines
- Dizziness or vertigo
- Poor balance or coordination
- Tension or tightness in the neck and shoulders
- Upper back pain or discomfort
- Shoulder blade pain or instability
- Fatigue or discomfort during physical activity or exercise.
It’s important to note that these symptoms can also be caused by other factors, so a proper medical evaluation is necessary to determine the underlying cause and appropriate treatment.
Exercises that strengthen the obliquus capitis inferior
The following exercises can help strengthen the obliquus capitis inferior muscle:
Neck rotations:
- Sit or stand with good posture and keep your shoulders relaxed.
- Slowly rotate your head to the right as far as you can, hold for a few seconds, and then return to the starting position.
- Repeat on the left side.
- Repeat for 10-15 repetitions on each side.
Side-lying neck rotations:
- Lie on your side with your head resting on a pillow.
- Keep your shoulder relaxed and your head in line with your spine.
- Slowly rotate your head to the front and then to the back.
- Repeat for 10-15 repetitions on each side.
Chin tucks:
- Sit or stand with good posture and keep your shoulders relaxed.
- Gently tuck your chin towards your chest without moving your neck forward.
- Hold for a few seconds and then return to the starting position.
- Repeat for 10-15 repetitions.
Neck extensions:
- Stand or sit with good posture and keep your shoulders relaxed.
- Gently tilt your head back and hold for a few seconds.
- Return to the starting position.
- Repeat for 10-15 repetitions.
It’s important to start with a light weight or no weight at all and gradually increase resistance as you get stronger. Consult with a doctor or physical therapist if you have any neck pain or injury before starting these exercises.