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SFU BPK 142 Midterm exam tips questions and answers new update
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SFU BPK 142 Midterm exam tips questions andanswers new update
1. What is osteoporosis and explain the possible reason why adolescents have an
increased risk in fracturing a long bone.
a. Condition where bones become brittle and thin due to decreases mineral content.
This happens because the peak velocity for bone growth occurs one year after the
peak height velocity.
2. What does Sheldon's mesomorphy somatotype describe? What personality traits
are usually associated with mesomorphy?
a. It describes the predominance of muscle, bone and connective tissue. More
athletic people.
Ravneet Mahal
1. The major building blocks of bone are
, , and fibers
which provide .
Answers: calcium carbonate; calcium phosphate; water; collagen; elasticity
2. What is the difference between Kyphosis and Lordosis?
Answer: Kyphosis is characterized by a “hump back” and is an exaggerated posterior
thoracic curve. Lordosis on the other hand is characterized by a “sway back” and is an
exaggerated anterior lumbar curve.
3. Strength and speed-dependent athletes are more and less
than distance-dependent athletes.
Answers: mesomorphic; ectomorphic
4. What are the two types of body composition prediction equations? Give a
brief description of each.
Answer:
a) Population specific equations- these equations are developed from
small, homogeneous samples (ie. age, sex, state of training, fatness).
, b) Generalized equations-these equations are developed from large,
heterogeneous samples and have a wider application in terms of age, and
fatness.
5. The onset of menstruation is known as and all girls start to
menstruate when the velocity is falling.
Answer: menarche; height
6. The stages of postnatal growth, from beginning to end are
, , ,
and finally .
Answers: Neonatal period; Infancy; Childhood; Adolescence; Adulthood
7. Most movements require the cooperative action of several muscles functioning as
a group. Name and describe the three components involved in this process.
Answer:
a) Prime mover is a muscle whose contraction is primarily responsible for a
particular movement.
b) Antagonists are muscles that oppose one another upon contraction.
c) Fixators/stabilizers are muscles that immobilize a bone or joint near the origin of
the prime mover so that the prime mover can act more efficiently.
8. Give three benefits of strength training.
Answers: (any 3 from these)
1. STRENGTH PROVIDES A FOUNDATION FOR OTHER COMPONENTS OF PHYSICAL
FITNESS SUCH AS CR CAPACITY AND MUSCULAR ENDURANCE
2. SLOW DOWN THE MUSCLE LOSS THAT NORMALLY ACCOMPANIES THE AGING PROCESS
--> INCREASE FUNCTIONAL MOBILITY SO THAT DAILY ACTIVITIES ARE MADE BOTH
POSSIBLE AND EASIER
3. INCREASE THE SIZE AND STRENGTH OF MUSCLE FIBERS RESULTING IN A
GREATER PHYSICAL CAPACITY TO PERFORM WORK
4. INCREASED TENDON, LIGAMENT AND BONE TENSILE STRENGTH
5. STRONGER MUSCLES BETTER PROTECT THE JOINTS THAT THEY CROSS
6. IMPROVED PHYSICAL APPEARANCE
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