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OCPM PhysMed Muscle Function
questions
70
Medical
Professional
06/01/2009

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Term
T/F Muscle function is not as important as muscle treatment of injury but still significant?
Definition
FALSE
Term
What is the most common cause of reccurent ankle sprains?
Definition
Lack of Rehab
Term
What is Strength?
Definition
The force generated against some form of resistance.
Term
What is Power?
Definition
Strength per unit time
Term
What is Endurance?
Definition
Repetatiive contraction over a long period of time
Term
What is Flexibility?
Definition
Limitation of a joint based on the soft tissue surrounding it.
Term
What is Agility?
Definition
Ability to move in space quickly
Term
What is Proprioception?
Definition
Know where your joints are in relation to space and body.
Term
T/F ROM is affected by Soft Tissue structures?
Definition
TRUE
Term
What are the 6 Muscle Parameters?
Definition
Strength, Power, Endurance, Agility, Flexibility and Proprioception.
Term
T/F Rehabilitation MUST address all areas of Muscle Parameters?
Definition
TRUE
Term
T/F More strength training can compensate for lack of propriceptive training?
Definition
FALSE
Term
T/F Strength has nothing to do with time it take to move an object?
Definition
TRUE
Term
Muscles with < or > 15% deviation from its Ideal Resting Length are pre-disposed to what?
Definition
Injury
Term
Peak tension in muscle is developed when muscle is within __________ of ideal resting length?
Definition
15% (+/-)
Term
T/F Some fibers are always contracting to maintain tone?
Definition
TRUE
Term
What is Recruitment?
Definition
Usage of more muscle fibers when tension increases to create a stronger contraction.
Term
T/F Oblique fibers are shorten over longer distance?
Definition
FALSE
Term
What is the Overload Principle?
Definition
Fore a muscle o improve, it needs to be stressed
Term
What are the 3 types of Strength Training?
Definition
Isotonic, Isometric and Isokenetic
Term
What is Isometric training?
Definition
Muscle contraction without producing joint motion.
Term
What is Isotonic training?
Definition
Movement of a fixed wieght through a range of motion
Term
What is Isokinetic training?
Definition
Constant speed of motion, but resistance varies depending on effort.
Term
Energy supply in Isometric training is primarily what?
Definition
Anaerobic
Term
In Isometric training tension, resistance and motion are what?
Definition
Tension is variable, Resistance is Fixed, there is no Motion.
Term
T/F Work is done in Isometric training?
Definition
FALSE
Term
What are uses for Isometric training?
Definition
Initial stages of injury when motion produces pain, Limited ROM is desired, Aviod painful portions of Arc, Strengthen muscle with limited Arc, "In Cast" and Selective strengthening.
Term
What are some advantages of Isometric training?
Definition
Inexpensive, Can do anywhere, no ROM needed, Rapid strength gain and Employs Max. Strength.
Term
What are the disadvantages of Isometric training?
Definition
Limited Arc, No ROM benefit and Can produce elevated BP in older individuals (Valsalva...)
Term
What is the Technique of Isometric training?
Definition
Hold 8-10 sec., repeat (# of reps), repeat multiple time per day. (Perform at various positions in Arc of Motion)
Term
Resistance varies due to what in Isotonic training?
Definition
Weight, Graivity and Arc of Motion
Term
In Isotonic training tension, resistance and motion are what?
Definition
Tension varies, Resistance Varies, and motion varies
Term
What is Concentric?
Definition
Muscle contracting and shortening (Positive Work)
Term
What is Eccentric?
Definition
Muscle contracting and lengthening (Negative Work)
Term
What are the benefits of Eccentric training?
Definition
2x Motor Activity, Uses less O2 and ATP/Time, More Efficient, Will surpass Concentric point of Momentary fatigue and reach point of eccentric fatigue.
Term
T/F Eccentric training is associated with positive work?
Definition
FALSE
Term
T/F There is more fatigue in Eccentric (Negative) training?
Definition
TRUE
Term
T/F Soreness come earlier in Eccentric training?
Definition
FALSE
Term
What are the benefits of Isotonic training?
Definition
Full ROM, Variable Resistance
Term
T/F Low reps/Low weight = strength?
Definition
FALSE
Term
What is the energy system for Isotonic training?
Definition
Aerobic or Anaerobic
Term
What is the Hill Principle?
Definition
Decrease in velocity results in increase in resistance
Term
What are the uses for Isotonic training?
Definition
General strength training, Rehab exercise and Endurance training.
Term
What are the advantages for Isotonic training?
Definition
Relatively Cheap, Full Arc of motion, Use for Strength Power and Endurance training and Common part of Home Program.
Term
What are the disadvantages for Isotonic training?
Definition
Frequent Technickal Errors! Generally on 1st line of strength training post injury. Does not stress all points in ROM EQUALLY.
Term
What is the tension, resistance and movements for Isokinetic training?
Definition
Tension variable, Resistance variable and Movement constant.
Term
What is the Isokinetic Principle
Definition
Resistance matches Effort, Accomodative Resistance in the FULL ARC of motion
Term
T/F Higher Isokinetic Speeds are used in Power and Endurance training?
Definition
FALSE
Term
T/F In Isokinetic training, maximal effort to receive maximal benefit?
Definition
TRUE
Term
What are some advantages of Isokinetic training?
Definition
Near Maximal Efficiency, Best of both Isometric/tonic, Perform with minimal strength, Can printout results (provides baseline)
Term
What are some disadvantages of Isokinetic training?
Definition
Expensive/Special Machine, Requires space and knowledge, CHEATING and Unnatural Speed
Term
What is Flexibility?
Definition
Movement of joint limited by soft tissue structures.
Term
What is ROM?
Definition
Movement of joint limited by joint shape.
Term
What is the benefit of Flexibility?
Definition
Improve performance, Prevent Injury and Improve tension generation.
Term
What are the Factor of ROM?
Definition
Joint surface, Joint capsule, Tendon, Muscle and fascia, Skin
Term
T/F Ballistic Stretching is wonderful?
Definition
Bouncing, trying to strethc body by momentum or weight force. (Never do)
Term
What is Static Strethcing?
Definition
Sustained or shorter bouts of stretch, strectch to tightness and hold.
Term
What is Contract-Relax Stretching?
Definition
Isometric contraction (8-10secs) followed by passive, static stretch. (Isometric fatigue muscles, allow stretch)
Term
If you are tight in the mornings then you should run at night?
Definition
Night
Term
T/F Stretching before activity is more important than after?
Definition
FALSE
Term
T/F If you are tight during a run you should slow your pace until you loosen up?
Definition
FALSE
Term
T/F You should stretch first thing before you start an activity?
Definition
FALSE
Term
What are some frequent causes of Imbalance?
Definition
Improper treatment and training
Term
What is the ratio of agonist to antagonists?
Definition
1 to 1
Term
What is the ratio of Quads to Hams?
Definition
3 to 2
Term
What is the ratio of Plantarflexors to Dorsiflexors?
Definition
4 to 1
Term
What is the ratio of Invertors to Evertors?
Definition
1+ to 1-
Term
How much does muscle stretch without fascia?
Definition
150.%
Term
What are some frequent forms of Muscle Imbalance?
Definition
Agonist vs Antagonist, Left vs Right, and Strength vs Tightness
Term
T/F Gavity assisted muscles are stronger than Antigravity muscles?
Definition
FALSE
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