Muscular strength, power and anaerobic capacity in childhood Flashcards
1
Q
Muscle contractions and relation involves…
A
several steps between depolarisation of the α-motor neuron and cross-bridge attachment involving myosin and actin.
2
Q
What is strength?
A
A function of the number of sarcomeres and muscle fibers in parallel (is why strength is related to cross-sectional area of muscle)
3
Q
How many muscle fibers do we develop at birth?
A
There is a fixed amount soon after birth
4
Q
What causes hypertrophy as children grow?
A
An increase in protein content
5
Q
As muscle strength increases…
A
Muscle mass increases
6
Q
After what, does circulating testosterone accelerate increases in muscle size and strength in boys?
A
Puberty
