Special environments Flashcards
[Energy system]
Used in 100m dash, jumping, diving
Phosphagen energy system
first 8-10 seconds
[Energy system]
used in tennis, soccer
Glycogen-lactic acid system
For 1.3 to 1.6 minutes
[Energy system]
Used in long-distance jogging
Aerobic system
[Adaptation to high altitude]
Acute effects are felt by an unacclimatized person at ___ feet
12,000 feet
[Adaptation to high altitude]
Seizures will be present in an unacclimatized person at ___ feet
18,000 feet
[Adaptation to high altitude]
Death will happen in an unacclimatized person at ___ feet
23,000 feet
What are the anatomic characteristics of people naturally acclimatized in high altitude environment?
Larger heart, lungs, shorter height
High altitude predisposes to hypocalcemic tetany because ___
plasma proteins are more ionized under alkalotic conditions; more protein anion to bind with calcium causing hypocalcemia
What returns to normal after acclimatizations?
CO
[Adaptations to flight]
in Positive G, blood is shunted towards _____
lower extremities
[Adaptations to flight]
positive ____ G
leads to vertebral fracture
+20G
[Adaptations to flight]
positive ___ G leads to blackouts, LOC, death
+6 to 10G
[Adaptations to flight]
refers to when the pilot is pushed against his seat; deemed to me more dangerous
positive G
[Adaptations to flight]
refers to when the pilot is pushed agains his seatbelt; deemed to be less dangerous
negative G
[Adaptations to flight]
blood is shunted to which body part in negative G
head
can present in red out eyes and transient psychotic disturbances
