Types of Muscle
Muscle Action
Muscle Names
Muscle under Magnification
Origin, Insertion, & Action
100
Referred to as voluntary striated muscle
What is Skeletal Muscle
100
Muscles that stabilize joints to allow other movement to take place
What is Fixator
100
Muscle in the cheek area of the skull is the most powerful of the chewing muscles.
What is the Masseter
100
The size of skeletal muscles
What is huge.
100
Muscle of the Zygomatic arch, insertion on the lateral side of the mandible. Elevates the mandible to close the mouth when chewing.
What is the Masseter.
200
Known as involuntary striated mucle
What is Cardiac Muscle
200
A muscle that directly produces a desired movement
What is Agonist
200
One superficial and one deep, located on each side of the chest, also help to keep the animals front legs underneath them.
What is Pectoral Mucles
200
Section of myofibril that is made up of thin actin filaments.
What is the large light band (I band)
200
The Ischiadic tuberosity of the pelvis, insertion at the patella, proximal tibia and tuberosity. It extends the stifle joint and flexes the hip joint.
What is the Quadriceps
300
Its cells do not have the striped appearance under the microscope
What is Smooth Muscle
300
Muscle that directly opposes the agonist
What is Antagonist
300
Extends the head and neck and also pulls the front leg forward, it is a fairly large, strap-like muscle that runs from the proximal area of the humerus up to the base of the skull.
What is Brachiocephalicus
300
Attachment site for the actin filaments.
What is the Z line
300
Muscle of the cranial sternum, insertion at the greater tubercle of humerus. It adducts thoracic limb.
What is the Superficial pectoral.
400
Most of the movements are controlled by the conscious mind
What is Skeletal Muscle
400
Skeletal muscle that contracts at the same time as an agonist
What is Synergist
400
A smaller strap-like muscle that extends from the sternum to the base of the skull and acts to flex the head and neck.
What is Sternocephalicus
400
The area from one Z line to the next Z line.
What is a Sarcomere
400
Muscle of the sternum, occipital bone, and draws head to side.
What is the Sternocephalicus
500
Cells are much smaller than skeletal muscle cells and have only one nucleus per cell
What is Cardiac Muscle
500
Assists the antagonist in carrying out its action
What is Synergist
500
Two main muscles that extend the head and neck, located on the dorsal part of the neck.
What are the Splenius and Trapezius
500
Section of myofibril made up of thick myosin filaments.
What is the large dark band (A band)
500
Muscle of the last 7 thoracic vertebrae and spinous process of lumber vertebrae, insertion at the teres major tuberosity of humerus. Draws limbs caudally and flexes shoulder joint.
What is the Latissimus dorsi.
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