Those who undergo knee replacement surgery may also receive an exercise prescription from their doctors, if wind of a study makes its way to the
orthopedic wing. The Arthritis Care & Research study (2009; 61 , 174–83) has determined that post-op exercise could be a must for knee replacement patients looking to make a full recovery.
Plyometrics—a type of movement involving the legs, core or upper extremities—uses a quick, eccentric-concentric phase to harness elastic muscle properties while using neural drive to increase the number of active motor units, thus netting explosive power and acceleration (Twist 2008).
“Discipline is the bridge between goals and accomplishments.” —Jim Rohn, motivational speaker
As a business owner for close to 20 years, I’m always entertained when people say to me, “Yeah, I’m going to start my own business. Not having anyone ride my back and tell me what to do all the time is where I want to be.” I smile and shake my head, internally saying, “Yeah, well, good luck with that.”
Abdominal training has always been a focal point for trainers and participants. In this InTensive, we look at the function of the abdominal and related core muscles in their role as key postural muscles and the center of power. Learn how to determine in which stage your client should be training. Walk away with take-home ideas for core training, all based on a systematic four-step progression model. Additional fee required for this class. See page 40 for more information.
Do slight changes in body position affect muscle activation during strength exercises? The only way to truly know which muscles are used during an exercise is to measure their electrical activity with an electromyogram (EMG), the skeletal muscle equivalent of an electrocardiogram for your heart. Well, guess what? Scientists have done just that. Let’s take a look at how different body positions affect muscle activity during some common weight training exercises.