SP100C - Leg extension

Muscular details
Machine to exercise the quadriceps muscles in absolute safety and comfort. Equipped with R.O.M. which allows a range of physiological movement susceptible to adaptation to anyone, in relation to one’s articular capacity. Normally the rectum of the femur, one of the four muscles that make up the quadriceps, is neutralized by the sitting position since the approach of the insertion points does not allow the prestiraggio. The adjustable backrest backrest allows to move the pelvis away from the femur and therefore to activate a moderate involvement of the said muscle by means of a pre-stretch. An important peculiarity that should be emphasized is that the angle formed by the seat and the backrest must exceed 90 ° in respect of the position of the femur in relation to the pelvis. In all cases of hypoestensibility of the ischiotibial muscles and the gluteus maximus, the R.O.M. it allows to work the quadriceps muscle without full extension, to avoid a dangerous flexion of the lumbar vertebrae. The R.O.M. it allows to work in complete lengthening and incomplete shortening of the quadriceps in cases of recurvatum of the knee or hyperextended knee.

By appropriately varying the position of the feet it is possible to intervene more selectively on the vastus medialis (extra-rotated foot), or on the vastus lateralis (intrarumatous foot). In these cases it is better to exercise one leg at a time. The adjustable footrest allows an adaptation in relation to the length of the bone limbs of the lower limb. Adjusting it appropriately up or down, there is a smaller or greater incidence on the resistance arm in action with the same load. This feature creates biomechanical advantages that are appreciated both in functional rehabilitation and in muscle strengthening. It is important to emphasize the opportunity to increase or reduce the load without getting out of the car, a factor of great response for training techniques with short breaks (rest pause), or without intervals between the series (stripping). An end stop makes this machine safe and reliable. To underline the seat equipped with hand rest and the adjustable backrest that allow the maximum comfort from the ergonomic point of view. The right density of the padding, the careful coating, the fine painting, the compactness but above all functionality and versatility, make this machine truly unique in its kind.