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Massage-Muscle Sys
Stack #21302
Muscular Sys. - Ques. | Muscular Sys. - Answers |
---|---|
Is it an origin or insertion that is at the less/no movement bone attachment? | Origin |
Is it an origin or insertion that is at the most moveable bone attachment? | Insertion |
What's the difference between a tendon and a ligament? | A tendon usually crosses a joint & attaches muscle to bone; a ligament attaches bone to bone (or cartilage). |
Name the 3 types of muscle tissue. | Skeletal (voluntary/striated), Smooth (involuntary,unstriated/visceral), Cardiac (involuntary,striated). |
What are the functions of the muscular system? | Movement, posture, & heat production. |
What distinguishes the skeletal muscle belly? | It contains the muscle fibers and is the bulkier part of the muscle. |
In organizing a skeletal muscle, what comes first (large to small): Organ or Endomysium? | Organ. |
In organizing a skeletal muscle, what comes second (large to small): Fascicle or Organ? | Fascicle. |
In organizing a skeletal muscle, what comes third (large to small):Fascicle or Fiber? | Fiber. |
In organizing a skeletal muscle, what comes fourth (large to small): Myofibril or Fiber? | Myofibril. |
In organizing a skeletal muscle, what comes fifth (large to small): Myofibril or Myofilaments? | Myofilaments. |
In organizing a skeletal muscle, what is the first layer (large to small) of deep fascia: myofilaments or epimysium? | Epimysium. |
In organizing a skeletal muscle, what is the second layer (large to small) of deep fascia: perimysium or epimysium? | Perimysium. |
In organizing a skeletal muscle, what is the third layer (large to small) of deep fascia: endomysium or perimysium? | Endomysium. |
What is the functional unit of muscle? | Sarcomere. |
What's the name of the muscular contraction that movement occurs? | Isotonic. |
What muscular movement shortens the muscle (it moves toward its center)? | Concentric. |
What muscular movement lengthens the muscle (when controlling the extension)? | Eccentric. |
What muscle contraction is there no movement or change in muscle length? | Isometric. |
What type of muscle shortens to create a movement: Agonist,antagonist,synergist, or fixator? | Agonist (or prime mover). |
What type of muscle must lengthen (no contraction) to allow movement: Agonist,antagonist,synergist, or fixator? | Antagonist. |
What type of muscle assists in creating movement: Agonist,antagonist,synergist, or fixator? | Synergist. |
What type of muscle isometrically contracts to hold the origin in place during a movement: Agonist,antagonist,synergist, or fixator? | Fixator (or stabilizer). |
What triggers a muscle contraction: Actin or nerve impulse? | Nerve impulse. |
What connects with myosin to engage and pull? | Actin. |