Muscles Flashcards
Which muscle is involved in raising eyebrows?
Frontalis
Which muscle is involved in closing the jaws?
Temporalis
Which muscle is involved in closing the eyes?
Orbicularis oculi
What muscle is involved in closing the lips?
Orbicularis oris
Which muscle is involved in wrinkling the chin?
Mentalis
Which muscle is involved in tensing the neck?
Masseter
Alternate actions of the ___________ frontal and occipital bellies pull scalp forward and backward.
Epicranius
What strip of connective tissue connects the frontalis and occipitalis?
Epicranial aponeurosis
Which muscle elevates the hyoid bone and makes up the floor of the mouth?
Mylohyoid
Which muscle elevates and retracts the hyoid?
Stylohyoid
Which muscle depresses the larynx and the hyoid if the mandible is fixed?
Sternohyoid
Which muscle depresses the hyoid bone and elevates the larynx?
Thyrohyoid
Which muscle is responsible for flexing and laterally rotating the head?
Sternocleidomastoid
Which muscle depresses the larynx and the hyoid?
Sternothyroid
The ________ is the prime abductor of the arm.
Deltoid
The _________ _______ muscle pulls the scapula forward and downward.
Pectoralis minor
The ___________ _______ adducts and medially rotates the arm.
Pectoralis major
The ________ ________ rotates the scapula so its inferior angle moves laterally and upward.
Serratus anterior
The _________ _________ compresses the abdominal cavity.
Transversus abdominis
The muscle immediately deep to the external oblique
Internal oblique
This muscle flexes the vertebral column and compresses the abdominal wall.
External oblique
This muscle flexes and rotates the lumbar region of the vertebral column and stabilizes the pelvis.
Rectus abdominis
Superficial muscles between the ribs that lift the rib cage and increase thoracic volume.
External intercostals
Deeper muscles between the ribs that aid in expiration.
Internal intercostals