Energy systems WHOLE UNIT

This pack contains all revision resources on energy systems (1.4) under the A-level PE edexcel specification.

1.4.1 Knowledge and understanding of the concepts of energy,
with specific reference to physical activity and sport.
1.4.2 Understanding of the forms of energy, processes by
which it is regenerated, how depletion occurs and the
recovery process.
1.4.3 Forms of energy to include: mechanical, electrical,
potential, chemical and kinetic. The role of energy as
adenosine triphosphate (ATP) in muscular contraction
and the use of phosphocreatine (PC), glycogen and fat as
sources for ATP re-synthesis.
1.4.4 The characteristics and physiology of the three energy
pathways (ATP-PC, glycolytic and aerobic).
1.4.5 The characteristics of the three pathways with regards to
ease and speed of ATP production, the force of contraction
that each will support, the intensity and duration of
exercise supported by each as the dominant energy
provider, and the regeneration of ATP for each pathway.
1.4.6 The principle of the energy continuum when based
around athletic running events.
1.4.7 Use of the continuum as a medium to support
understanding of the joint and collaborative role of the
three energy pathways in physical activity.
1.4.8 Positioning of athletic running events on the energy
continuum.
1.4.9 The concept of fatigue and factors that contribute to
fatigue: energy depletion, dehydration and the build-up
of waste products (including an exploration of the role of
lactic acid in performance).
1.4.10 Stages of recovery and their application to specific
physical and sporting contexts.
1.4.11 The fast component of recovery and re-phosphorylisation;
the speed and rate of phosphogen replenishment.
1.4.12 The slow component of recovery; the oxidation of lactate
(removal of lactate and H+), replenishment of energy
stores and the two-hour window of opportunity:
rehydration, physical cooling and thermoregulation; the
48-hour window of opportunity: resaturation of
myoglobin, re-synthesis of protein, glycogen and
carbohydrate (CHO); exercise induced muscle damage
(EIMD) and delayed onset muscular soreness (DOMS).
1.4.13 EPOC (excess post-exercise oxygen consumption), and
the stages of recovery.
1.4.14 Understanding of how the energy systems respond
acutely to the stress of warming up/priming exercise.