Muscle Anatomy
A muscle fascicle is a bundle of
Muscle Fibers
The muscle that bends the joint is called
Flexor Muscle
The origin of the frontalis
Galea aponeurotica
This muscle rotates the eyeball superiorly to look upward
Superior Rectus
This muscle is referred to as the "boxer muscle".
Serratus Anterior
What is the function of the gap junction
It allows passage for electricity to pass. Also allows action potential to spread rapidly from one cell to the next.
The muscle that straightens the joint is called
The Extensor Muscle
Function of the masseter
prime mover of mandible elevation
This muscle rotates the eyeball inferiorly to look downward
Inferior Rectus
What is the function of the platsyma
To depress the mandible
When viewed through a microscope, cells of skeletal and cardiac muscle tissue have this type of appearance
Striated appearance
Define Agonist
A muscle that causes motion
Sternocleidmastoid origin
The sternum and the clavicle
This muscle rotates the eyeball medially toward the nose
Medial Rectus
Since muscles can only pull not push, they work in pairs called
Antagonistic Muscles
This connective tissue sheath covers the individual muscle fiber
Endomysium
Define Antagonist
A muscle that can move the joint opposite to the movement produced
This facial muscle's action is to close the lips to kiss
Orbicularis oris
This muscle rotates the eyeball laterally
Lateral Rectus
Sheetlike extension of the epimysium is called
Aponeurosis
This dense regular connective tissue that surrounds the entire muscle
Epimysium
Define Target Muscle
The muscle that is intended for excercise
What is the function of the Zygomatic Major
The primary function is to raise the corners of the mouth. Also known as the "smile muscle"
If you are looking to the left, which muscle is responsible for getting your left eye into position
Lateral Rectus
Tubules are an extension of the
Sarcolemma