What is the antagonist of the masseter?
temporalis
The temporalis is the antagonist of the masseter.
What is the antagonist of the Occipitalis?
| Trapezius | |
|---|---|
| Nerve | accessory nerve (motor) cervical spinal nerves C3 and C4 (motor and sensation) |
| Actions | Rotation, retraction, elevation, and depression of scapula |
| Antagonist | serratus anterior muscle, Latissimus dorsi, Pectoralis Major |
| Identifiers |
What muscles make up the Epicranius?
The Epicranius (Occipitofrontalis) is a broad, musculofibrous layer, which covers the whole of one side of the vertex of the skull, from the occipital bone to the eyebrow. It consists of two parts, the Occipitalis and the Frontalis, connected by an intervening tendinous aponeurosis, the galea aponeurotica.
Does the orbicularis oris have an antagonist?
The antagonist to the palpebral portion of the orbicularis is the levator muscle. The antagonist to the orbital portion is the frontalis muscle.
What is the antagonist of the pectoralis major?
Pectoralis major muscle
| Pectoralis major | |
|---|---|
| Actions | Clavicular head: flexes the humerus Sternocostal head: horizontal and vertical adduction, extension, and internal rotation of the humerus Depression and abduction of the scapula. |
| Antagonist | Deltoid muscle, Trapezius |
| Identifiers | |
| Latin | Musculus pectoralis major |
What is the antagonist of the temporalis muscle?
In anatomy, the temporalis muscle, also known as the temporal muscle, is one of the muscles of mastication (chewing)….
| Temporalis muscle | |
|---|---|
| Actions | elevation and retraction of mandible |
| Antagonist | platysma muscle |
| Identifiers | |
| Latin | Musculus temporalis |
What does the epicranius muscle do?
They insert on the mastoid process of the temporal bone. They can flex or extend the head, or can rotate the towards the shoulders. The epicranius muscle is also very broad and covers most of the top of the head. The epicranius muscle includes a middle section which is all aponeurosis.
What does the Occipitalis muscle do?
The occipitalis muscle is innervated by the facial nerve and its function is to move the scalp back. The muscles receives blood from the occipital artery.
What is the epicranius muscle?
The occipitofrontalis muscle (epicranius muscle) is a muscle which covers parts of the skull. It consists of two parts or bellies: the occipital belly, near the occipital bone, and the frontal belly, near the frontal bone.
Is the Zygomaticus an antagonist?
(Major and minor) – Attached to zygomatic bone to raise the lateral corners of the mouth – to smile – the “smiling muscle”. Synergist muscle to the zygomaticus – aka the “laughter muscle”. Antagonistic to zygomaticus – draws lips downward – aka the “frowning muscle”.
What is an antagonist to the depressor Labii Inferioris?
Depressor labii inferioris muscle
| Depressor labii | |
|---|---|
| Insertion | integument of the lower lip, Orbicularis oris fibers, its fellow of the opposite side |
| Nerve | marginal mandibular branch of the facial nerve |
| Actions | depression of the lower lip |
| Antagonist | orbicularis oris muscle |
What is the antagonist muscle of the latissimus dorsi?
Deltoid
Latissimus dorsi muscle
| Latissimus dorsi | |
|---|---|
| Actions | Adducts, extends and internally rotates the arm when the insertion is moved towards the origin. When observing the muscle action of the origin towards the insertion, the lats are a very powerful rotator of the trunk. |
| Antagonist | Deltoid and trapezius muscle |
| Identifiers |
What are the two parts of the epicranius muscle?
The epicranial muscle, also called the epicranius, consists of two sections and covers the forehead, top, and upper-rear portion of the skull. The frontalis section controls movement of the…
Is the occipitofrontalis part of the epicranius?
In humans, the occipitofrontalis only serves for facial expressions. Some sources consider the occipital and frontal bellies to be two distinct muscles. However, Terminologia Anatomica currently classifies it as a single muscle, and also includes the temporoparietalis muscle as part of the epicranius.
How is the epicranial muscle connected to the scalp?
Epicranius. The occipitalis controls backward movement of the scalp, which raises the eyebrows. The occipitalis and frontalis sections of the epicranial muscle coordinate movement with the help of a tendon that connects them. The frontalis section of the epicranial muscle is connected to the fascia…
Which is part of the epicranial muscle controls backward movement?
The occipitalis controls backward movement of the scalp, which raises the eyebrows. The occipitalis and frontalis sections of the epicranial muscle coordinate movement with the help of a tendon that connects them.