Cables? Machines? never heard of them.
The smith machine doesnt suit a person because the range of motion isnt natural. If you stand off to the side, most people squat in an arc, kind of like ( not exactly like that, but im sure you can understand what im saying. Also, you mentioned its Achilles heel. The balance, thats not something you want to lose.
Ive tried it, and it just feels very unnatural to me. If you're looking for a change in leg workouts, try giving 20-rep squats a whirl. Its a real ball buster so I wouldnt do it while dieting. You can always try a farmers walk, while doing lunges at the same time (2 birds, 1 stone), front squats, zercher squats are another one thats also taxing on your core.
They all get the heart racing.
BluEyes said:
Are you talking about attaching bands to the bar to stop bounce?
Bands...I actually miss those types of workouts. Cool thing with bands is you can incorporate them with damn near any core movement. The downside with them is how taxing they are on the CNS. I never used them longer then 4-6 weeks at a time, usually 4 weeks.
Chains can be fun too, damn things are expensive though.