Although the amount of resistance you use; how
many repetitions of each exercise you do; and how many total sets you perform in
a workout are important – there more variables to consider when designing an effective resistance
training program.
Its not just about what you are lifting – how you
are lifting it is equally important.
Here are some of the key movement variables to consider:
What is your movement
speed and is it constant or does it change and what are the effects of changes
in movement speed or acceleration and deceleration during an exercise? As a general rule of thumb
slower, controlled movements are safer and generate more time under tension for
a muscle group. However the deliberate
use of higher velocity movement or explosive movements can be very beneficial
if done correctly using good form.
Body Position including
placement of feet, position of the torso and hands during an exercise? Small changes in the position
of your hands, feet and body can dramatically change what muscles are
used. For example a squat done with
feet and hips externally rotated will result in very different loading than a
squat with feet and hips straight or only slightly rotated out.
Where is the load and
line of resistance relation to your body? When using free weights of any kind
(dumbbell, kettlebell, sandbag, etc.) gravity will pull down directly to the
ground in a straight line from the load, and depending on the position of your
body will determine which muscle/s are being challenges. If using a machine of
any type the line of resistance is not always straight up and down because many
machines use pulleys which redirect the force of gravity on a weight stack in
differing directions.
What is the position of
the resistance/load that you are using? For example doing a squat with a bar on your back is very different than
doing a front squat with a bar in front of your shoulders and completely changes
the emphasis of which muscles are producing the movement and the stabilization
requirements of the other muscles such as torso muscles. Holding resistance on one side or the other
such as single arm overhead press creates very different loading than using two
arms at one time. Even doing the
same exercise with dumbbells versus barbells substantially changes the loading
and challenge.
What plane/s of motion
are you moving through during each exercise and how does this relate to the
activity or sport you are training for?
The bulk of exercises most people think
of are done solely in the sagittal plane meaning the movement is
forward/backward or up or down. However
the body also moves side to side and rotates not to mention movements that
involve all three planes of motion.
For example a squat with an overhead press can be done solely in the
sagittal plane – you squat down holding the weight at shoulder height and then
at the top press it overhead. If you
take the same movement but rotate the body to one side as you pivot one leg to
facilitate the turn you introduce rotational movement which really changes the
exercise substantially.
How stable or unstable
is the resistance/load you are using? Using a fixed object such as a dumbbell, kettlebell or weight
ball as resistance is very different than doing the same exercise with a less
stable form of handheld resistance such as a sandbag. Unstable loads dramatically increase the
challenge of an exercise requiring substantially lower loads for the same
metabolic response.
How stable or unstable
is your base of support during an exercise? Try any exercise on the beach in sand versus a stable surface of any kind
and you will immediately get the point here!
Change any one of these variables and you have a
whole new exercise not to mention changing more than one at once and/or also
changing the amount of load you are using. In general do NOT change everything at once but you can easily create
variation in your program by adjusting more than just your sets, reps, and
amount of resistance used!
As you can see there are a lot of different things to consider when it comes to strength training program design, and this is one of many reasons to work with a knowledgeable personal trainer!
No comments:
Post a Comment