MuscleGroups Flashcards
(25 cards)
What is the primary function of the spine muscles?
To support and stabilize the spine while allowing for movement.
Which muscle is primarily responsible for extension of the spine?
Erector spinae.
True or False: The multifidus muscle helps in stabilizing the vertebrae.
True.
Fill in the blank: The ________ muscles assist in lateral flexion of the spine.
oblique.
What action do the rectus abdominis muscles primarily perform?
Flexion of the lumbar spine.
Name one muscle that contributes to spinal rotation.
Rotatores.
Which muscle group is known for its role in maintaining an upright posture?
Erector spinae.
What is the role of the transverse abdominis in relation to the spine?
It provides stability to the lumbar spine.
True or False: The quadratus lumborum assists in both lateral flexion and extension of the spine.
True.
Multiple Choice: Which muscle is NOT part of the erector spinae group?
A) Iliocostalis
B) Longissimus
C) Semispinalis
D) Spinalis
C) Semispinalis.
What action does the semispinalis muscle perform?
Extension and rotation of the spine.
Fill in the blank: The ________ muscles are responsible for the segmental stability of the spine.
multifidus.
Which muscles are involved in the flexion of the thoracic spine?
Rectus abdominis and external obliques.
True or False: The diaphragm is considered a muscle that affects spinal posture.
True.
What is the primary action of the internal oblique muscles?
Rotation and lateral flexion of the trunk.
Multiple Choice: Which muscle is primarily involved in the extension of the neck?
A) Sternocleidomastoid
B) Splenius
C) Pectoralis major
D) Latissimus dorsi
B) Splenius.
Name the muscle that runs along the spine and is crucial for posture.
Erector spinae.
What is the action of the latissimus dorsi on the spine?
It aids in extension and rotation.
True or False: The spinalis muscle is part of the erector spinae group.
True.
What role do the abdominal muscles play in spinal movements?
They assist in flexion and stabilization.
Fill in the blank: The ________ muscle assists in forced expiration and also stabilizes the spine.
transverse abdominis.
What is the function of the longissimus muscle?
To extend and laterally flex the spine.
Multiple Choice: Which of the following muscles helps in spinal lateral flexion?
A) Rectus abdominis
B) Erector spinae
C) Quadratus lumborum
D) All of the above
D) All of the above.
What is the primary movement facilitated by the external oblique muscles?
Contralateral rotation of the trunk.
