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Muscle Terminology
Muscle Movement
Muscle Characteristics
Types of Muscles
Miscellaneous
100
What is the term used to describe a muscle action of drawing a body part downward?
Depression
100
Bending movement that decreases the angle of the joint is:
Flexion
100
Put these words in order from the outermost layer to the innermost layer - Endomysium, Epimysium, Actin & Myosin, Fascicles, Muscle Fiber, Perimysium, Myofilaments
Epimysium, Perimysium, Fascicles, Endomysium, Muscle Fiber, Myofilaments, Actin & Myosin
100
What are the 3 muscles types?
Smooth, Cardiac and Skeletal
100
What is the origin of a muscle?
The place where the muscle begins, also where the muscle contracts towards.
200
What's the difference between proximal, intermediate and distal?
Proximal means closer to the body. Intermediate is found between something. Distal means further away from the body. The phalanges is a good example.
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 muscles Triceps: has 3 muscles
300
The Junction between the motor neuron's fiber wich transmits the impulse and the muscle cell membrane
Neuromuscular Junction
300
What are the three layers of connective tissue in the muscle?
Epimysium, Perimysium and Endomysium.
300
A Pennate muscle type is comb-like and has 3 sub-categories which are? Explain them.
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's the difference between an agonist and antagonist?
Agonist: primer mover Antagonist: opposite action of agonist
400
What is the opposing muscle to the erector spinae?
The abdominals
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 actin. Myosin attaches with a 'rowing action' sliding the actin closer together causing a contraction.
400
In which order would you expect the gluteus maximus, gluteus minimus and the gluteus medius to appear. Looking from the outside in?
Gluteus Maximus, Gluteus Medius and Gluteus Minimus.
400
During a contraction in the Sarcomere, what happens to the Z lines, A band, I band and H Zone?
Z lines shorten, A band stays the same, I bands shorten and H zone disappears.
500
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
Our body has fast twitch and slow twitch muscle. What color is slow twitch and which color is fast twitch? Why?
Slow twitch muscle is red because it relies heavily on oxygenated blood for energy. Fast twitch muscle is lighter in color because it doesn't require oxygen for energy. Fast twitch muscle uses energy in food and other sources (ATP)
500
What 3 functions does the Skeletal Muscle Tissue provide?
Movement, Heat and Posture