| In my articles, I enjoy offering free body- building tips. | | | | exercises, which should still be employed but to a |
| This time, we are going to discuss how best to isolate | | | | lesser degree. |
| certain muscles and why that would be of benefit to | | | | Single joint exercises require movement around only |
| you. | | | | one joint. Examples of single-joint exercises are the |
| Your musculoskeletal system is complex and allows | | | | triceps extension, lateral raise, and leg extension. Such |
| for movement in many planes. Each movement, | | | | exercises, if performed strictly, do a satisfactory job of |
| however, usually involves more than one muscle. The | | | | isolating a given muscle group such as the triceps, |
| ability to achieve total isolation of a single muscle is | | | | deltoids, and quadriceps. |
| functionally nearly impossible, since synergistic and | | | | The overhead press, chin-up and deadlift are |
| stabilizer muscles are almost always brought into | | | | multiple-joint exercises. In the deadlift, for example, you |
| action to assist a prime mover to perform any given | | | | have exercises around at least five joints: Ankles, |
| movement. This is especially true with barbell and | | | | Knees, hips, back and shoulder. The deadlift involves |
| dumbbell exercises, and it is somewhat the case even | | | | some work for many muscles but it does not work |
| with specifically designed machines such as Nautilus. | | | | any one muscle thoroughly. |
| Nevertheless, it is to a bodybuilders advantage to | | | | Some of the best single-joint exercises you can do |
| spend more time on single-joint exercises, which do | | | | include: Leg curl, Biceps curl, leg extension and triceps |
| the best job of muscle isolation, than multiple-joint | | | | extension. |