There are four basic components of athleticism: muscle
strength/ power, motor control (control of position/ posture), body weight, and
task-specific skill (e.g. sporting abilities).
The Nordic curl (video below) tests physical strength in the
hamstring muscles. Not a great deal of
skill is needed; it’s a brute force exercise.
The ITI, on the other hand, is a whole-body exercise requiring very good
positional awareness and control. Comparison
of the two exercises by the same person demonstrates that individuals bring
different gifts to the athletic picture.
The young woman in the videos is a dancer and a
swimmer. As a dancer, she has developed very
good fine control of complex movement. Her
raw physical strength is less well developed.
Swimming requires both excellent control of movement and high physical
strength/ power. The strength of this
individuals swim stroke would be expected to come from excellent control of
shape, to minimise drag, but she could also be expected to make very good gains
from increasing her basic physical strength.
Aeroplane ITI
Nordic curl
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