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> 10 Machines To Avoid @ The Gym
COREefx
Posted: Oct 4 2008, 09:27 AM
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The 10 Machines You Must Avoid at Your Gym

(According to Best Life Magazine)

Defenders of stationary equipment argue that machines are designed to limit what you can do wrong. But seated machines often put heavier loads on the back and joints than is necessary, and almost always miss the mark when it comes to replicating the movements found in everyday life, according to Ultimate Back Performance and Fitness, by Stuart McGill, PhD, a professor of spine FLOP!biomechanics at the University of Waterloo, in Ontario. For this list of exercises, we consulted McGill; Nicholas DiNubile, MD, author of FrameWork: Your 7-Step Program for Healthy Muscles, Bones, and Joints; and trainer Vern Gambetta, author of Athletic Development: The Art & Science of Functional Sports Conditioning.

1 Seated Leg Extension
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What itís supposed to do: Train the quadriceps
What it actually does: It strengthens a motion your legs arenít actually designed to do, and can put undue strain on the ligaments and tendons surrounding the kneecaps.
A better exercise: One-legged body-weight squats. Lift one leg up and bend the opposite knee, dipping as far as you can, with control, while flexing at the hip, knee, and ankle. Use a rail for support until you develop requisite leg strength and balance. Aim for five to 10 reps on each leg. (If you are susceptible to knee pain, do the Bulgarian split squat instead, resting the top of one foot on a bench positioned two to three feet behind you. Descend until your thigh is parallel to the ground and then stand back up. Do five to 10 reps per leg.)

2 Seated Military Press
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What itís supposed to do: Train shoulders and triceps
What it actually does: Overhead pressing can put shoulder joints in vulnerable biomechanical positions. It puts undue stress on the shoulders, and the movement doesnít let you use your hips to assist your shoulders, which is the natural way to push something overhead.
A better exercise: Medicine-ball throws. Stand three feet from a concrete wall; bounce a rubber medicine ball off a spot on the wall four feet above your head, squatting to catch the ball and rising to throw it upward in one continuous motion. Aim for 15 to 20 reps. Alternative: Standing alternate dumbbell presses. As you push the right dumbbell overhead, shift the right hip forward. Switch to the left side.

3 Seated Lat Pull-Down (Behind the Neck)
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What itís supposed to do: Train lats, upper back, and biceps
What it actually does: Unless you have very flexible shoulders, itís difficult to do correctly, so it can cause pinching in the shoulder joint and damage the rotator cuff.
A better exercise: Incline pull-ups. Place a bar in the squat rack at waist height, grab the bar with both hands, and hang from the bar with your feet stretched out in front of you. Keep your torso stiff, and pull your chest to the bar 10 to 15 times. To make it harder, lower the bar; to make it easier, raise the bar.

4 Seated Pec Deck
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What itís supposed to do: Train chest and shoulders
What it actually does: It can put the shoulder in an unstable position and place excessive stress on the shoulder joint and its connective tissue.
A better exercise: Incline push-ups. Aim for 15 to 20 reps. If this is too easy, progress to regular push-ups and plyometric push-ups (where you push up with enough force that your hands come off the ground), and aim for five to eight reps.

5 Seated Hip-Abductor Machine
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What itís supposed to do: Train outer thighs
What it actually does: Because you are seated, it trains a movement that has no functional use. If done with excessive weight and jerky technique, it can put undue pressure on the spine.
A better exercise: Place a heavy, short, looped resistance band around your legs (at your ankles); sidestep out 20 paces and back with control. This is much harder than it sounds.

6 Seated Rotation Machine
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What itís supposed to do: Train abdominals and obliques
What it actually does: Because the pelvis doesnít move with the chest, this exercise can put excessive twisting forces on the spine.
A better exercise: Do the cable wood chop, letting your heels turn freely with your torso. Aim for 10 to 12 reps.

7 Seated Leg Press
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What itís supposed to do: Train quadriceps, glutes, and hamstrings
What it actually does: It often forces the spine to flex without engaging any of the necessary stabilization muscles of the hips, glutes, shoulders, and lower back.
A better exercise: Body-weight squats. Focus on descending with control as far as you can without rounding your lower back. Aim for 15 to 20 for a set and increase sets as you develop strength.

8 Squats Using Smith Machine
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What itís supposed to do: Train chest, biceps, and legs
What it actually does: The alignment of the machineóthe bar is attached to a vertical sliding trackómakes for linear, not natural, arched movements. This puts stress on the knees, shoulders, and lower back.
A better exercise: Body-weight squats. See ďSeated Leg Press.Ē

9 Roman Chair Back Extension
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What itís supposed to do: Train spinal erectors
What it actually does: Repeatedly flexing the back while itís supporting weight places pressure on the spine and increases the risk of damaging your disks.
A better exercise: The bird-dog. Crouch on all fours, extend your right arm forward, and extend left leg backward. Do 10 seven-second reps, and then switch to the opposite side.

10 Roman Chair Sit-up
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What itís supposed to do: Train abdominals and hip flexors
What it actually does: The crunching motion can put undue stress on the lower back when it is in a vulnerable rounded position.
A better exercise: The plank. Lie facedown on the floor. Prop up on your forearms, palms down. Rise up on your toes. Keep your back flat and contract your glutes, abdominals, and lats to keep your butt from sticking up. Hold this pose for 20 to 60 seconds.[/COLOR]

maryluvs_hmm.gif I love the seated leg extention... maryluvs_bye2.gif


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IZthe411
Posted: Oct 4 2008, 08:31 PM
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Good Information

I use the seated lat pulldown, but I do mine front, not back. So I must be good there. maryluvs_hmm.gif


I don't use the pec deck that much, but I probably shouldn't at all


And I use the Smith machine most time for squats, especially when I'm lifting heavy. I HATE them, but it's such a good total body exercise. I do agree, the fact that it restricts body movement, it can't be good.


Thanks Core!


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COREefx
Posted: Oct 4 2008, 10:09 PM
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QUOTE (IZthe411 @ Oct 4 2008, 08:31 PM)
Good Information

I use the seated lat pulldown, but I do mine front, not back. So I must be good there.  maryluvs_hmm.gif


I don't use the pec deck that much, but I probably shouldn't at all


And I use the Smith machine most time for squats, especially when I'm lifting heavy. I HATE them, but it's such a good total body exercise. I do agree, the fact that it restricts body movement, it can't be good.


Thanks Core!

Anytime man,

I use the Smith machine at least once a week. I do not use it for squats, I find it really uncomfortable...but hell, squats are uncomfortable any way maryluvs_laughing.gif .

I do not use the seated lat for the back, but only for the front also, and cable row's (close grip). At first, the pec deck was really hard to do, I could not do them with a heavy weight, but I have worked myself up to a good amount of w8. Now since reading this, I guess I will stick with the standing cables and free w8 dumb bells to work my pecks.


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No One Will Do
Posted: Oct 11 2008, 01:04 PM
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unsure.gif I don't think I would use any of those machines but I'll def. pass this on..I like the "natural" exercises betta which I could do. maryluvs_smile.gif

Thanx for posting Core, really good info! maryluvs_thumbup.gif


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