Section 8 Flashcards
Golgi tendon organs (GTOs) can affect a static stretch by causing ______.
A -Relaxation of the muscle(s) being stretched through autogenic inhibition
B -Contraction of the muscle(s) being stretched through autogenic inhibition
C -Relaxation of the antagonist(s) through reciprocal inhibition
D -Contraction of the antagonist(s) through reciprocal inhibition
A
The forward-backward movements of the arms and legs during walking occur in which plane of movement?
Frontal
Sagittal
Longitudinal
Transverse
Sagittal
What is occurring physiologically when an individual reaches the first ventilatory threshold (VT1) during cardiorespiratory exercise?
A -The individual is exercising in the optimal fat-burning zone
B -Breathing changes dramatically as blood lactate rapidly increases
C -The individual is exercising anaerobically above lactate threshold
D -Breathing changes as lactate begins to accumulate in the blood
D
What is the primary energy system utilized during events lasting approximately 2 to 3 minutes, such as the 800-meter dash or 200-meter freestyle swim?
Stored ATP
Phosphagen system
Anaerobic glycolysis
Aerobic glycolysis
Anaerobic glycolysis
Which blood vessels carry blood that is rich in oxygen from the lungs back to the heart?
Coronary arteries
Pulmonary arteries
Coronary veins
Pulmonary veins
Pulmonary veins
Which muscles are prime movers for the shoulder joint during a wide-grip pull-up?
A -Trapezius and rhomboids
B -Posterior deltoid and latissimus dorsi
C -Teres major and serratus anterior
D -Pectoralis minor and latissimus dorsi
B -Posterior deltoid and latissimus dorsi
Which of the following is LEAST likely to limit performance during a half marathon?
A -Oxygen-carrying capacity of the blood
B -Cardiac output
C -Stored fat available for fuel
D -Oxygen extraction at the cellular level
C
Which training program would be MOST effective for improving the capabilities of slow-twitch muscle fibers?
A -Circuit training with 90-second work and 30-second recovery intervals
B -Short-duration low-to-moderate intensity cardiorespiratory exercise
C -High-intensity interval training with 15-second work and 60-second recovery intervals
D -Long-duration moderate-intensity cardiorespiratory exercise
D
Which type of muscle fiber is the MOST highly adaptable to different training stimuli, making it able to increase oxidative capacities or increase force production and speed?
Type I
Type IIa
Type IIb
Type IIx
Type IIa
Why does resistance training result in greater hypertrophy gains for men than for women?
Men usually exercise more vigorously than women
Women have less testosterone than men
Men have greater endurance than women
Women typically use machines for resistance training
Women have less testosterone than men
Which muscle stabilizes the spine during a push up?
Rectus Abdominus
Erector Spinae
Rotator Cuff
Serratus Anterior
Rectus Abdominus
Which of the following statements is true?
The serratus anterior protracts the scaupla and the rhomboids retract the scapula
The rhomboids protract the scapula and the serratus anterior retracts the scapula
The serratus anterior protracts the scaupla and the rhomboids retract the scapula
Which of the following chronic adaptations to cardiovascular exercise will have a direct effect at increasing ones V02max?
1 - Increased stroke volume
2 - Increased capilliary density
3 -Increased number and size of mitochondria
4 - Increased ability to store glycogen as fuel
5 - Increased ability to mobilize fat for fuel
6 - Increased bone density
7 - Increased neuromuscular efficiency
8 - Increased ability to tolerate and buffer lactic acid
1,2,3,4,5
Select which of the following adaptations is a chronic adaptation, select all that apply.
1 Decreased resting heart rate
2 Increased heart rate
3 Decreased recovery time
4 Increased efficiency of blood redistribution during exercise
5 Increased blood pressure
1,3,4
Select as many of the below actions that are the correct pathways for a sympathetic reaction.
Pupils dilate
Heart rate slows
Inhibits activity in stomach
Stimulates saliva secretion
Secretes epinepherine and norepinepherine
Pupils dilate
Inhibits activity in stomach
Secretes epinepherine and norepinepherine
