What is the term used to describe a muscle action of drawing a body part downward?
Depressor
100
Bending movement that decreases the angle of the joint is:
Flexion
100
What is the number of layers a muscles contains?
4 (Body, Fascicle, Fibers, Myofibrils)
100
What are the 4 muscles types?
Parallel, Convergent, Pennate, and Sphincter.
100
What is the origin of a muscle?
The place where the muscle begins, also where the muscle contracts towards.
200
The word that characterizes a "short" muscle:
Brevis
200
A superior movement
Elevation
200
In Myofibrils, the smallest fiber of muscle that contains actin and myosin filaments, what is another name for the contractile units?
Sarcomere
200
What on the body can you find Parallel muscle types?
Biceps Brachia
200
The insertion is the place where the muscle ______.
Attaches (ends) or relaxes towards.
300
What is the difference between Biceps and Triceps?
Biceps: has 2 heads
Triceps: has 3 heads
300
Protraction has which definition:
1) The posterior movement of the arms at the shoulders
2) The anterior movement of the arms at the shoulders.
#2
300
What are the three layers of organization of fibers in the muscles? (Connective Tissue)
Epimysium, Perimysium and Endomysium.
300
A Pennate muscle type is comb-like and has 3 sub-categories which are? Explain them with an example.
Uni- one side of the tendon (Palmer: Ext. Digitorum Longus)
Bi- two sides of the tendon (Rectus Femoris)
Multi- multiple tendons; fibers everywhere (Deltoid)
300
What are the 3 GROUPS of muscles? Explain them.
Agonist: primer mover
Antagonist: opposite action of agonist
Synergist: group of muscles working together for the same action
400
What is the specific body region for your nose?
Nasalis
400
What is the difference between adduction and abduction?
Adduction: to move toward the midline of the body
Abduction: to move away from the midline of the body
400
In the contraction of a muscle, what is process?
Application of calcium to the myofibrils, plus ATP energy molecule, including myosin and actin, and then finally Neuromuscular junction (synapse or end of the nerve).
400
What is the circular muscle that guards the eye?
Sphincter
400
In Muscles terminology, there are 2 divisions of muscles: 1) ___________, explain. 2) _________, explain.
Give the literal meaning of the opposing terms, pronator and supinator.
Pronator: turns the palm of the hand down.
Supinator: turns the palm of the hand up.
500
Give the definition of Inversion and Eversion:
Inversion is related to feet, the movement of the sole towards the median plane.
Eversion, also is related to the feet, the movement of the sole goes away from the median plane.
500
What specific group of muscles have Actin and Myosin in them?
Skeletal Muscles
500
Convergent muscle type includes the Pectoralis, and has a _____ to ______ pattern from the origin.
Broad ; small
500
What 5 functions does the Skeletal Muscle Tissue provide?
Movement (skeletal muscle), Protection (over organs), Posture (bipedal motion), Guards entrances and exits (sphincter), Thermoregulation (homeostasis).