Intramuscular Performance Factors Flashcards
What is the primary purpose of a warm-up?
The primary purpose of a warm-up is to increase one’s core temperature.
What areas does a proper warm-up enhance?
Increased force capacity of a muscle, decreased chance of injury, and increased range of motion.
What physiological response does your body have to warm-up?
Increase in muscle blood flow, reduction in muscle viscosity, activation of the metabolic chemical reactions, & increases in the speed of nerve impulses.
What are the three main warm-up techniques?
Passive, generalized, & specific warm-up
What is a passive warm-up?
Increasing body temperature by an external source, i.e hot showers, massages, heating pads.
What is a generalized warm up?
Non-sport-specific body movement to increase body temperature
What is a specific warm-up?
That increases temperature and circulation to sport-specific body parts associated with the most activated systems for a given activity.
What is the primary reason for stretching?
The primary reason for stretching is to increase the range of motion around a joint.
When does DOMS usually occur?
DOMS usually occurs between 24 - 48 hours after strenuous activity.
What does primarily results in DOMS and why?
DOMS primarily results from eccentric contractions of muscles
(During an eccentric contraction, the muscle fibers get pulled lengthwise to the point where damage occurs at a subcellular level. This damage induces an inflammatory response in a muscle)
What could happen when you abruptly cease high-intensity activity?
The blood vessels in the legs are dilated, and therefore, blood can pool quickly in the legs and feet. This can make an individual feel dizzy and potentially pass out because of a lack of blood flow to the brain.
What is the primary reason for a cool down after a high-intensity exercise?
To bring down the heart rate steadily while allowing the muscles to return to normal tension levels gradually.
What does OBLA stand for?
Onset of Blood Lactate Accumulation
What is lactate?
Muscle fuel. Lactate is the result of glucose utilization by muscle cells under anaerobic conditions.
What is lactate threshold?
Lactate threshold is the limit to which the body starts to produce more lactate than it can remove.
