SPORTS PHYSIOLOGY Flashcards
A patient standing quietly uses this much METS
a. 3.5
b. 2.0
c. 1.0
d. 4.5
b. 2.0
What evergy from this system is used for maximal short bursts of muscle activity (8-10 seconds)?
a. aerobic
b. anaerobic
c. phosphagen
d. glycogen-lactic acid
c. phosphagen
As a PT/in sports med, you were assigned to a marathon. Basic knowledge of exercise-associated collapse and their differentials should be clear to you in case of an emergency which may include all EXCEPT one of the following:
a. cardiac arrest
b. hypoglycemia
c. hyperglycemia
d. heat stroke
c. hyperglycemia
Males generally become stronger than females after puberty because males ___.
a. have higher muscle strength per cross-sectional area
b. keep themselves in condition through proper diet and exercise
c. develop a greater muscle mass
d. have faster rate of biologic maturation
c. develop a greater muscle mass
a: same
d: baligtad
The following are typically utilized when measuring skinfold in anthropometric measurements designed to determine percent body fat, EXCEPT:
a. lateral calf
b. subscapular
c. iliac crest
d. triceps
a. lateral calf
for medial
The following characteristics describe type I muscle fibers, except:
a. higher myosin ATPase activity than the other fiber type
b. resistant to fatigue, with high levels of oxidative enzyme activity and low levels of glycolytic enzyme activity
c. contained in motor units characterized by a low firing frequency or discharge rate
d. associated with extensive capillary density and a high concentration of myoglobin
e. low threshold for activation and slow twitch contraction
a. higher myosin ATPase activity than the other fiber type
Fast twitch fibers differ from slow twitch fibers, EXCEPT:
a. number of capillaries per mass of fibers is greater in slow twitch fibers
b. type II organized for endurance
c. type II can achieve 2x the maximal power
d. type Ii is 2x in diameter
b. type II organized for endurance
for Type I
DOMS after 6-8 hours will be worst after:
a. 1-2 days
b. 2-3 days
c. 3-4 days
d. 5-6 days
a. 1-2 days
Your patient returns to PT after his first exercise session complaining of muscle soreness that developed later that day after his first session and continued to the next day. His next session should include:
a. eccentric ex, 1 set of 10, lifting body weight
b. eccentric ex, 3 sets of 10, with gradual increase in intensity
c. concentric ex, 3 sets of 10, with gradual increase in intensity
d. concentric ex, 3 sets of 10, at 80% of max intensity
c. concentric ex, 3 sets of 10, with gradual increase in intensity
Any bodily movement produced by skeletal muscles that results in an increase in energy expenditure.
a. physical performance
b. physical activity
c. physical fitness
d. physical exercise
e. SAID principle
b. physical activity
This term is used to describe a decline in physical performance in healthy individuals participating in high intensity, high volume strength and endurance training programs.
a. local muscle fatigue
b. overtraining
c. delayed onset muscle soreness
d. cardiopulmonary fatigue
e. detraining
b. overtraining
According to the reversibility principle, “detraining” happens when there is lack of training or physical activity after:
a. 1-2 days
b. 3-5 days
c. 1-2 weeks
d. 1-2 months
e. 3 months or more
c. 1-2 weeks
The use of substitute motions, and difficulty in completing range of motion during a physical activity can be a sign of?
a. muscle cramps
b. local fatigue
c. OMDS
d. overtraining
e. detraining
b. local fatigue
What exercise can be done to improve ATP synthesis of the phosphagen energy system?
a. increase load, increase repetition, short period of time
b. decrease load, increase repetition, long period of time
c. increase load, decrease repetition, shorter period of time
d. none of these
e. decrease load, increase repetition, short period of time
c. increase load, decrease repetition, shorter period of time
A by-product of anaerobic metabolism which causes fatigue and acute muscle soreness:
a. water
b. oxygen
c. lactic acid
d. pyruvic acid
e. all of these
c. lactic acid
True of energy systems except?
a. the phosphagen energy system is used for bursts of muscle power
b. the glycogen lactic acid systems provide energy for 2.5 moles of ATP/min and 1.3-1.6 minutes
c. anaerobic metabolisms occurs without need for oxygen
d. aerobic system predominates in endurance training
e. all are correct
e. all are correct
A client consults to you about soreness of the thigh and leg muscles after yesterday’s intense leg workout session that included downhill running. What could be the possible explanation for this?
a. He is experiencing acute muscle soreness as result of lactic acid build up.
b. There has been overtraining which results from lack of rest intervals.
c. Uphill running would have been more appropriate.
d. He has delayed onset muscle soreness due to previous eccentric leg activity.
d. He should consult a physician.
d. He has delayed onset muscle soreness due to previous eccentric leg activity.
Which of the following characteristics of type IIB muscle fibers are incorrect?
a. High levels of glycolytic enzyme activity.
b. Fast glycolytic
c. Twice as large in diameter
d. High concentration of myoglobin
e. Fast fatiguable
d. High concentration of myoglobin
Type I
There would be more slow twitch fibers in an individual who is:
a. sedentary
b. runs in a marathon
c. weight lifter
d. sprinting in sports competition
e. all of these
b. runs in a marathon
The following are true of slow twitch and fast twitch muscle fibers except:
a. The number of capillaries is much greater in the vicinity of slow twitch fibers than in the vicinity of fast twitch fibers.
b. Fast twitch fibers are twice larger in diameter that slow twitch.
c. Slow twitch muscles are mainly organized for endurance, and contain far less mitochondria than fast twitch.
d. Fast twitch fibers are phasic muscles while slow twitch muscles are regarded as postural muscles.
e. All statements are true.
c. Slow twitch muscles are mainly organized for endurance, and contain far less mitochondria than fast twitch.
