Chapter 17 Flashcards
Which of the following types of balance occurs when an individual seeks to maintain postural control within a stationary limit of stability but with a moving base of support?
Semi-dynamic balance
Which sense provides information to the central nervous system about where the body is in space?
Visual system
Competitive athletes who performed balance training exercises reduced the risk of which injury by 46%?
Ankle sprains
Which of the following best defines the base of support of the body?
The area beneath a person that consists of all points of contact between the body and the support surface
What is critical for personal trainers to ensure before working with a recently injured athlete?
The athlete has been cleared by a medical professional.
Which balance training exercise is part of the second stage of balance training that uses dynamic, eccentric, and concentric movement of the balance leg through a full range of motion?
Single-leg squat
Maintaining one’s balance while on a skateboard that is moving while the feet remain in a fixed position can be described as what type of balance?
Semi-dynamic balance
What is the proper lower-body progression for balance training when starting with a new client?
Two-leg stable, single-leg stable, two-leg unstable, single-leg unstable
Receptors involved with this sense are specifically responsible for determining angular accelerations of the head while bending over to pick something up off the ground.
Vestibular
Receptors involved with this sense are specifically responsible for determining foot position while standing on an unstable surface.
Somatosensation
What must be maintained when performing exercises in a proprioceptively enriched environment?
Correct technique
Asking a client to balance on an unstable surface while barefoot would challenge which system?
Somatosensory system
Which balance task would require significant use of the vestibular system?
Squatting on one limb with eyes closed
Which sense provides information about changes in pressure on the skin, muscle length, and joint angles?
Somatosensory system
Which three senses are involved in the balance system?
Visual, vestibular, and somatosensory systems
Stage 3 balance exercise should include what types of motion?
Hopping motions with a single-leg stance landing
What is an example of an external factor that may influence the risk of falling in older adults?
The environment
Asking a client to stand on a BOSU ball would provide a major challenge to what system?
Somatosensory
What is the term for a postural disturbance being added to a task in order to make the task more difficult?
Perturbation
The risk of which lower-extremity injury was decreased in female basketball athletes who participated in a 5-week balance training program that improved landing movement mechanics?
Anterior cruciate ligament injury
Performing a hop-training program on a firm surface would be an example of which type of balance?
Semi-dynamic balance
In order to balance, someone must maintain what point within their base of support?
Center of gravity
Asking a client to close their eyes during a balance exercise would challenge which system?
Visual system
How could the personal trainer make the “single-leg throw and catch” balance exercise more difficult for the client?
Increasing the velocity of each throw
