Barbell back squat vs smith machine squats
Many strength and muscle building experts will say, the barbell back squat is much more effective at building size and strength. They argue free weight squats are a more natural movement and require much more stabilization and balance, which increases its effectiveness. However, the Smith machine is much easier to learn, especially for beginners, which many argue is safer. I contend that it depends upon the person’s build. If one has long legs and a shorter torso, they will have a very difficult time performing a squat correctly in order to get optimum stimulation for strength or growth. In this case and in others, they would benefit greatly from performing smith machine squats. But what does science have to say? Which is better for gaining strength?
Researchers from the University of Saskatchewan in Canada compared the free weight squat to the Smith machine using electromyography (EMG). The purpose of their study was to determine which exercise was better at stimulating the prime movers and stabilizers of the legs (e.g., tibialis anterior, gastrocnemius, vastus medialis, vastus lateralis and biceps femoris) and trunk (e.g., lumbar erector spinae and rectus abdominus). Six healthy participants performed 1 set of 8 repetitions using a weight they could lift 8 times, i.e., 8 rep maximum.
Contrary to our hypotheses, muscles of the legs (specifically the vastus medialis and biceps femoris) displayed greater EMG activity during the free weight squat compared to the Smith machine squat, whereas there were no differences between exercises for EMG activity of trunk stabilizers.
Researchers conclude that the free weight squat may be superior to the Smith machine squat for training the major muscle groups of the legs and possibly would result in greater strength development and hypertrophy of these muscle groups with long-term training.
Journal of Strength and Conditioning Research, 23(9), 2588-2591.
Bodybuilding, General training, Legs, Weight training, Xternal Fitness, Xternal Furci
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Did you know…
Did you know that if you’re a man, Wisconsin is the place to be? If you are like most Americans, you?re diet is deficient in Omega-3 fatty acids. Did you know more than 200 studies have demonstrated the problems associated with Omega-3 deficiencies? Did you know a new sweetener is hitting the market that?s 1000 times sweeter than cane sugar? Learn about the these topics and more HERE
there is more and more evidence showing that if a healthy individual wants a strong core, instability exercises dont cut it. Core stabilizer training has become extremely popular in the past few years. I am starting to see a trend toward the core being the core of training programs. This shouldn’t be the case, and there is a tremendous amount of data showing the benefits of basic weight training exercise. In this newly published study, researchers used 16 physically active subjects. The purpose was to compare the activation of various trunk muscles with selected weight training exercises (squat and deadlift) and Swiss ball unstable callisthenic-type movements (superman’s and side bridging). The researchers concluded it is unnecessary to incorporate unstable callisthenic-type exercise if one is performing exercises like the squat and deadlift. Basic heavy exercise is the key to a strong healthy core. Journal of Strength and Conditioning Research, 2007, 21(4), 1108-1112.
Bodybuilding, Core, General training, Power lifting, Weight training, Xternal Fitness, Xternal Furci
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Squat and dead lift vs stability ball exercises for core activation
Unstable Surface Training (UST) has moved from being used almost exclusively in rehabilitation to becoming common place among personal trainers and strength coaches. One can’t go to a gym and not see somebody training on a Bosu ball, stability ball, wobble board or foam pad. It’s so popular entire books have been written on this type of training. But do not be fooled by its popularity.
UST is not popular because it works, but because of a tremendous media campaign. The fitness industry is always looking for something new. They know here’s huge money in marketing a piece of equipment and/or workout program.
Performing exercises on unstable equipment can be challenging no doubt, but research has not shown that the type of balance, and core stability developed through UST will transfer to any sports skill. Performing exercises on unstable equipment will make an individual proficient at performing resistance exercises on unstable surfaces but will not improve sports performance. Is UST training even necessary?
Researchers from Appalachian State University compared trunk muscle activity during stability ball and free weight exercises. The stability ball exercises utilized were the quadruped, pelvic thrust and ball back extensions. The free weight exercises were the squat (SQ) and deadlift (DL). During all exercises muscle activity was collected using electromyography (EMG).
During the study trunk muscle activity during SQ and DL’s was equal to or greater than which was produced during stability ball exercises. This was true even when 50% of the 1 rep max was used during SQ and DL. The role of UST is again shown to be in question.
(Journal of Strength Conditioning Research 22:95-101,2008)
Abs, Back, Bodybuilding, General fitness, General training, Power lifting, Specific workouts, Sports Health and Fitness, Weight training, Xternal Fitness, Xternal Furci
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Good Morning for your butt
Here’s an article I wrote a while back on Bullz-Eye.
Bending over to pick something up can be a very dangerous move if done with a rounded back. Most people in their lifetime will have an injury to the lower back. One way to help prevent such injuries is to do the good morning.
Performing the good morning strengthens the posterior chain, which includes the lower back, glutes and hamstrings. The glutes (butt) and the hamstrings are responsible for hip extension while the muscles of the lower back (erector spinea) are contracted statically.
Because of the large degree of hip flexion, the gluteus maximus and the hamstrings are utilized throughout the movement. The glutes work in unison with the hamstring to extend the hips in the concentric (raising) part of the movement. The hamstrings, located on the back of the upper thigh, become more involved as you begin to decrease the degree of hip flexion while raising the weight. The erector spinea, which run the length of your spine on both sides, are statically contracted throughout most of the movement, keeping the normal curvature of the spine. A static contraction of the rhomboids and the trapezius muscles help maintain the shoulders.
Extension of the body occurs when the upper body, torso and pelvis rotate up and back. The biggest mistake I see with this movement is allowing the back to ?round? and magnifying the kyphotic (upper back) curvature while de-emphasizing the lordotic (lower back) curvature. I need to add that a slight curve of the upper back will present no danger and will happen to most while using heavy weight, but if you look like a big question mark (?) while performing the exercise, that?s a different story.
Learn how to perform the good morning HERE.
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