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WorksheetsPersonal Trainer (Small) - Ch. 1
Total questions: 10
Worksheet time: 8mins
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
Which muscle or muscle group is MOST important for respiration in humans?
internal intercostals
diaphragm
external intercostals
transverse abdominis
It is important for fitness professionals to have a general understanding of Wolff's law because it explains how ____.
Regular endurance exercise increases the oxidative capacity of the respiratory muscles
Intervertebral disks are better prepared for external loads following rehydration during sleep
Bones increase density in response t the stress applied through weightbearing exercise
Functional training improves kinesthetic awareness by stimulating the proprioceptors in the joints
Gogi tendon organs (GTOs) can affect a static stretch by causing ______.
Relaxation of the muscle(s) being stretched through autogenic inhibition
Contraction of the muscle(s) being stretched through autogenic inhibition
Relaxation of the antagonist(s) through reciprocal inhibition
Contraction of the antagonist(s) through reciprocal inhibition
What organ is PRIMARILY responsible for the digestion and absorption of nutrients?
stomach
pancreas
small intestine
large intestine
The forward-backward movements of the arms and legs during walking occur in which plane of movement?
frontal
sagittal
longitudinal
transverse
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
During dynamic and static stretching, which of the following soft tissues contributes LEAST to the total resistance encountered by the joint during movement through its range of motion?
Muscle fascia
Tendons
Skin
Joint capsule
Which muscles are prime movers for the shoulder joint adduction performed during a wide-grip pull-up?
Trapezius and rhomboids
Deltoid and latissimus dorsi
Teres major and serratus anterior
Pectoralis major and latissimus dorsi
How does the pancreas help regulare blood glucose levels?
It secretes glucagon to increase blood glucose levels and insulin to increase glucose uptake by the cells
It releases glucocorticoids that aid in the utilization of glucose and metabolism of fatty acids
It secretes insulin to increase blood glucose levels and stimulate uptake of the glucose by the cells
It releases pancreatic enzymes into the small intestine to aid in the digestion of protein, carbohydrate, and fat
