By Dr. John A. Papa,
DC, FCCPOR(C)
Strength
training
is exercise that uses weights or resistance to strengthen
and enhance a muscle’s ability to contract and do work. Below are some of the numerous health
benefits of strength training.
1. Strength
training plays a key role in body composition and weight management. Simply
put, strength training burns calories, improves body composition by building
lean muscle tissue, and thereby reduces fat stores in the body.
2. Strength
training reduces the risk of cardiovascular disease. Heart disease risk is lower when the body is
leaner and less fat. Other associated
benefits include decreased cholesterol levels and lowered resting blood
pressure. Strength training will also help
improve glucose metabolism. Poor glucose
metabolism is strongly associated with adult onset diabetes.
3. Strength
training stimulates bone mineral density development and reduces the rate of
bone loss. This is crucial at younger ages for
maximizing bone density. It is also
important in older individuals looking to prevent or slow down the
bone-thinning disease osteoporosis as it decreases the likelihood of fractures
and morbidity related to fractures.
4. Building
muscle through strength training is helpful for recovering from and preventing
injury
as it helps improve overall strength, endurance, stamina, flexibility, balance
and coordination.
5.
Strength
training can be beneficial for those suffering from arthritis. Studies in older men and women with moderate
to severe arthritis have shown that a strength training program can help
general physical performance with everyday activities, and improve clinical
signs and symptoms of the disease resulting in decreased pain and disability.
Below are some useful tips that can help individuals get
safely started on a strength training program:
· Strength training
exercises can be accomplished with conventional weight-training equipment, hand-held
"free weights", and resistance bands/tubing. An individual can also use their own body
weight while performing push-ups, pull-ups, dips, stair climbing, lunges, and
wall squats.
· Modest benefits from strength training can be
seen with two to three training sessions a week lasting just 15 to 20 minutes
each. A resistance level heavy enough to
tire your muscles after about 8 to 12 repetitions is sufficient. When you can easily do 12 or more repetitions
of a certain exercise, increase the weight or resistance. Rest at least one full day between exercising
each specific muscle group.
· Always perform strength training in a safe
manner with proper technique and stop if you feel pain. Although mild muscle soreness is normal,
sharp pain and sore or swollen joints are signs that you’ve overdone it and
that your program/activity needs to be modified.
A
lifetime of regular strength training exercise is ideal, but it is never too
late to start! If you are over 35, have
been sedentary for some time, or have a specific health condition or
limitation, consult with a knowledgeable health care provider before beginning
any new exercise program. For more
information, visit www.nhwc.ca.
This article is a
basic summary for educational purposes only.
It is not intended, and should not be considered, as a replacement for
consultation, diagnosis or treatment by a duly licensed health practitioner.