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What is the antagonist muscle to the frontalis?
The antagonist muscle to the frontalis is the occipitalis. The frontalis muscle raises the eyebrows and wrinkles the forehead, while the occipitalis muscle pulls the scalp backwards.
What is the action and position of the frontails?
The position of the frontalis is over the frontal bone or the forehead. This muscle works with the occipitalis which is over the occipital bone in the back of the head. It's action is to elevate the eyebrows.
What muscle has its origin at occipital and insertion at galea aponeurotica?
Occipitalis
What is the primary trapezius muscle action during shoulder shrugging movements?
The primary action of the trapezius muscle during shoulder shrugging movements is to elevate and retract the shoulders.
What is the intended action of the primary muscle in the upright row?
nothing
What is the intended action of the primary muscle used in barbell upright row?
shoulder flexion shoulder adduction shoulder horizontal extension
What muscle pulls the scalp posteriorly?
The occipitofrontalis muscle is responsible for moving the scalp posteriorly by contracting its occipital belly. This muscle helps with facial expressions and raising the eyebrows.
What is a muscle with primary action at a freely moving joint called?
The Agonist muscle. In contrast, the muscle group that has passive action(the muscle being stretched) is called the antagonis muscle. For example, when doing a bicep curl. Your biceps are the agonists and your triceps would be the antagonists.
What is the name of an intended action of the primary muscle for the abdominal?
Trunk flexion & unilateral trunk flexion.
The muscle that is mostly involved in any specific action is called what?
The primary mover.
What sheath connects the frontalis to the occipitalis?
The galea aponeurotica is the connective tissue sheath that runs between the frontalis muscle in the forehead and the occipitalis muscle at the back of the head. It forms a continuous layer of tissue over the skull, providing attachment points for these muscles and allowing them to work together in various facial expressions.
What is the intended action of the primary muscle of hanging leg raise?
trunk flexion lateral trunk flexion
