Nutrition CH 5 – Flashcards
Unlock all answers in this set
Unlock answersquestion
Connective tissue consisting of white fivers that provide structure and support is called
answer
Collagen
question
Flexibility is important for elite athletes in order to
answer
Improve their performances Maintain general wellness
question
Which of the following sends information about the muscular and skeletal systems to the nervous system and control the speed, strength, and coordination of muscle contractions?
answer
Proprioceptors
question
The spinal column performs which of the following functions?
answer
Structural support for the body. Serves as an attachment site for several muscles, tendons, and ligaments. Supports the body's weight. Surrounds and protects the spinal cord.
question
Dynamic flexibility would affect an individual's ability to do all of the following activities except...?
answer
Perform the splits.
question
Which of the following methods are the more challenging types of core exercises?
answer
Stability Balls. Free weights.
question
Which of the following describe how to prevent low-back pain?
answer
Stop smoking. Reduce Stress. Use a supportive chair and a medium firm mattress.
question
In this type of stretching, each muscle is gradually stretched and the stretch is held for 10-30 seconds
answer
STATIC
question
Which type of elongation is a long-term change in the length of muscles, tendons and supporting connective tissues?
answer
Plastic
question
Which of the following are potential benefits of flexibility?
answer
Prevention of soreness Injury prevention Improved joint health
question
Which of the following activities and/or occupations is most likely to be associated with low-back pain?
answer
Landscaping
question
Which one of the following exercises for low-back health would NOT be considered appropriate for a beginner?
answer
Stability balls
question
Lifestyle recommendations for preventing low back pain include which of the following?
answer
Use lumbar support when driving. Progress gradually when attempting to improve strength. Maintain a healthy body weight. Avoid sitting in the same position for long periods. Avoid smoking.
question
Low-back pain can result from...
answer
Poor posture. Weak and inflexible muscles. Poor body mechanics.
question
The structure located between adjoining vertebrae, consisting of a gel-and water-filled nucleus surrounded by fibrous rings is called..
answer
Intervertebral disk
question
A stretching technique in which muscles are stretched by moving joints slowly and fluidly through their range of motion in a controlled manner is known as...
answer
Dynamic
question
Symptoms of acute tissue injury in the lower back include which of the following?
answer
Stiffness. Inflammation. Pain. Muscle Spasms
question
Which of the following would be an appropriate time to stretch?
answer
After an aerobics class. After running a half-marathon After taking a moderately paced walk
question
Which one of the following recommendations is likely to be made by a health care professional for the prevention of low-back pain?
answer
Maintain a normal body weight with minimal excess fat.
question
Which of the following is an appropriate program for stretching exercises?
answer
Hold each stretch of 10-30 seconds, do 2-4 repetitions of each stretch.
question
Which of the following is NOT a common risk factor for low-back pain?
answer
Being less than 34 years old
question
To prevent low back pain, you should attempt to improve fitness or strength
answer
Slowly
question
Back pain is likely to result from all of the following except:
answer
Loss of body weight
question
Which of the following are ways to prevent low-back pain?
answer
warming up thoroughly before exercising Controlling body movement Lifting weights properly
question
Most cases of low-back pain clear up
answer
Within a few weeks or months
question
Which of the following is NOT a general guideline for back exercise programs
answer
do low back exercises in the morning
question
in older adults, good flexibility improves
answer
Stability Balance
question
The core muscles do which of the following?
answer
Stabilize the spine Help transfer force between the upper and lower body Stabilize the midsection of the body
question
Which of the following do NOT affect flexibility?
answer
Muscle strength Muscle endurance
question
Stretching exercises developed to improve flexibility should be performed...
answer
after a warm up or heat application
question
an individual experiencing sudden acute back pain most likely has damaged his or her ...
answer
Tissues
question
Joint cavities contain synovial fluid which....
answer
Cushions the bone. Reduces friction as the joint moves.
question
Which one of the following symptoms is likely to be the result of a slipped disk?
answer
Numbness in the foot
question
maintaining good flexibility is important because aging decreases the natural elasticity of all of the following EXCEPT the
answer
Bones
question
Enhanced flexibility in the back, pelvis, and thighs may
answer
Improve back health
question
Ballistic stretching is considered dangerous because ballistic stretches may...
answer
Stimulate a muscular contraction during a stretch
question
Potential treatments for chronic back pain include which of the following?
answer
Massage. Physical Therapy. Yoga. Therapeutic support groups.
question
Individuals experiencing chronic back pain report which types of symptoms?
answer
Steady ache with stiffness. Shooting pain. Stabbing pain.
question
Compared to static stretching, PNF appears to...
answer
Allow greater increases in flexibility.
question
Which of the following is NOT recommended for the management of acute back pain?
answer
Prolonged bed rest.
question
How long should each stretch be held?
answer
10-30 seconds
question
Which of the following is NOT an additional benefit of flexibility?
answer
Improved concentration
question
Dynamic stretching ...
answer
Focuses on functionally based movements.
question
Contracting a muscle before stretching is an example of ...
answer
Proprioceptive neuromuscular facilitation.
question
Which of the following is NOT true regarding low-back pain?
answer
Low back pain is one of the rarest ailments in the US
question
Connective tissue is important because it provides ...
answer
Elasticity Structure Bulk
question
Underlying causes of back pain may include which one of the following?
answer
Poor posture
question
Intervertebral disks function to do all of the following EXCEPT
answer
Protect the spinal cord
question
Flexibility is determined by all of the following factors EXCEPT ..
answer
Weight status
question
When a muscle is stretched, the nerves send a signal to the ____, which sends a message back to the muscle, triggering a muscle contraction.
answer
spinal cord
question
which of the following is a disadvantage of active stretching?
answer
A sufficient stretch may not be produced
question
The curves of the spine are the cervical, thoracic, lumbar, and ... `
answer
Sacral
question
All of the following characteristics are true of flexibility EXCEPT the fact that...
answer
if an individual is flexible in their lower body, they will also be flexible in their upper body.
question
When injuries occur, flexibility exercises are
answer
Used in the treatment of injury. Used to restore normal range of motion.
question
Soft tissues can limit the flexibility of a joint. Soft tissues of the human body include...
answer
muslces. ligaments. skin.
question
Stretching programs are of particular importance to all of the following people EXCEPT..
answer
Toddlers
question
Which of the following is NOT true regarding passive stretching?
answer
There is less risk of injury with passive stretching.
question
What gives joints strength and stability but limits movement?
answer
Joint capsules
question
Which of the following exercises would likely be recommended for the prevention of low-back pain?
answer
Walking
question
For most average people, an attainable goal for a flexibility program is to work on...`
answer
Obtaining flexibility in the major joints
question
Well trained athletes might consider ballistic stretching to ...
answer
Stretch the muscles they need for their particular sports.
question
How many cures does the spine have
answer
Four
question
Which of the following is an example of a dynamic stretch?
answer
Lunge walk
question
Which of these factors is most likely to lead to low-back pain and low back injury?
answer
Poor spinal stability
question
People with either extra flexibility or poor flexibility have ...
answer
Increased risks for injury
question
An important component of safe passive stretching is...
answer
Good communication with partner
question
Compared to static stretching, which of the following is true about PNF stretching?
answer
It usually requires a partner
question
Exercise might prevent and treat back pain by...
answer
Building muscular endurance
question
people who have flexibility in one joint...
answer
Might not have flexibility in other joints.
question
Which of the following plays a role in one's joint structure and flexibility?
answer
Heredity
question
An increase of sarcomeres, contractile units in the muscles, could lead to an increase of the body's...
answer
flexibility
question
Due to the nature of dynamic stretching, these people should perform these types of activities...
answer
Experienced exercisers with flexibility
question
Which type of joint has the greatest range of motion?
answer
ball and socket
question
Frequent stretching is beneficial for developing flexibility because proprioceptors...
answer
adapt quickly to stretching
question
Joint capsules surround major joints. Their composition is...
answer
Semielastic
question
Which one of the following factors that affects flexibility CANNOT be changed through a program to develop flexibility?
answer
Structure of joints.
question
When specific core muscles are weak or tired, which system in the body substitutes other muscles and increases the body's risk of injury?
answer
Nervous
question
Passive stretching is a stretching technique in which muscles are stretched...
answer
By an outside force
