4. Muscle hypertrophy is an increase in
the size of a muscle through an increase
in the size of its componentcells.
Dependingon the typeof training,
the hypertrophycan occur through
increased sarcoplasmic volume or
increased contractile proteins.
5. TYPES OF HYPERTROPHY
The volume
of sarcoplasmic fluid in
the muscle cell
increases with no
accompanying increase
in muscular strength.
Sarcoplasmic
hypertrophy is
characteristic of the
muscles of
certain BODYBUILDER
Actins and Myosin
contractile proteins
increase in number and
add to muscular strength
as well as a small
increase in the size of
the muscle.
Myofibrillar hypertrophy
is characteristic of
POWERLIFTER.
MYOFIBRILLAR SARCOPLASMIC
H
c
13. MUSCULAR NUTRITION
PROTEIN IN DIET DOMINATES THE
HYPERTROPHY AS PROTEIN INCREASES
THE SIZE OF MUSCLES AS IT FULLFILS THE
DEMAND OF EXTRA PROTEIN IN THE
MUSCLE CELL.
14. NO. OF MITOCHONDRIA
MITOCHONDRIATRAPS THE ATP INTHECELL.
MORE THE MITOCHONDRIA INTHE CELLS THENTHEIR
WILL BEMORE ENERGY TOSERVE THE ACTIVE MUSCLE
CELLSO THESUFFICIENTAMOUNTOFATPPROMOTES THE
HYPERTROPHY.
15. MYOGLOBIN PROTEIN
MYOGLOBIN IS A PROTEIN PRESENT IN THE MUSCLES WHICH
TRAPS THE NUTRITION FROM THE BLOOD SO, IF THERE IS
ADEQUATE AMOUNT OF PROTEIN THE THEIR WILL BE MORE OF
ENERGY AVAILABLEFOR THE CELL TO INCREASE THEIR SIZE.
16. GENDER
• MALES ARE TENDS TO HAVE MORE
HYPERTROPHY THEN FEMALES BECAUSE
OF FOLLOWING REASONS:
• NOOF MUSCLE FIBRES
• SIZE OF MUSCLE FIBRES.
• GROWTH HORMONES.
17. MALES HAVEDOMINANCEOF THEGROWTHHORMONES WHICH
PROMOTES THE HYPERTROPHY.
LIKETESTISTERONE, ADRANALINE
18. CONTRACTION IN CONTRACTILE PROTEIN
ONLY A HIGH CONTRACTION IN THE MUSLE FIBRE CAN PROMOTE
HYPERTROPHY.
c
19. IT IS A STILL A CONTRIVERSIAL ISSUE AND ITS STEPS ARE NOT YET
CLEAR.
INHYPERTROPHY OF THE MUSCLES SOME OF THE FAMILY OF THE
GENES ARE ACTIVATED LIKE , C-FOS, C-JUN, AND MYC.
GENETIC RESPONSES