Term 
         | 
        
        
        Definition 
        
        | respond to chemicals released from nerve cells |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | ability to shorten and generate force |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | Ability to be stretched without damaging the tissue |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | submaximal force (repeatedly), |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | prime movers; responsible for the movement |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | oppose the agonists to prevent overstretching of them |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | assist the agonists and sometimes fine-tune the direction of movement |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | tension development with no change in muscle length that results in no movement of body parts |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | ): tension development with a change in muscle length that results in movement of a body part |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | Muscle contraction at a fixed velocity |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        Improvements in VO2max similar to adults No risk of permanent cardiovascular damage as a result of training |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        the decreased cardiovascular function that accompanies dehydration and mild hyperthermia -profuse sweating, cold skin, flu-like symptoms, dizziness, rapid pulse, shallow breathing, and headaches |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        when heat stress continues, or is worsened beyond that of heat exhaustion, physiological symptoms progress to CNS dysfunction - disorientation, confusion, psychoses     -no sweating, dry skin, very hot, high temp., bright red skin, unresponsiveness |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        Lower partial pressure of oxygen leads to shortness of breath Cold, dry air promotes dehydration Acute mountain sickness (AMS) |  
          | 
        
        
         | 
        
        
        Term 
        
        | Does living at high altitude improve exercise tolerance? |  
          | 
        
        
        Definition 
        
        Yes, VO2max decrement is not as large Maximal blood lactate is lower AMS symptoms are less severe Air pollution irritates lungs and decreases oxygen delivery to muscles |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | can positively affect peak bone mass in children and adolescents, maintain or even modestly increase bone |  
          | 
        
        
         | 
        
        
        Term 
         | 
        
        
        Definition 
        
        | An injury that results from chronic repetitive motions that violate the integrity of our joints |  
          | 
        
        
         |