Clinical Benefits
• Allows variable running speeds
• Increased walking speed, compared to rigid pylons
• High levels of mobility for active users, compared to non-energy-storage-and-return feet,
hydraulic ankles, flex-foot-style feet and flex-walk-style feet.
• Improved prosthetic push-off work compared to solid-ankle-cushioned-heel feet
• Increased prosthetic positive work done, compared to lower activity feet
• High degree of user satisfaction, particularly with high activity users
• Reduced loading rate on the residual limb, compared to rigid pylons
• Reduced back pain when twisting, compared to rigid pylons
Spring Set Selection
Low
3
Mod
4
High
4
Low
Daily walking and occasional sports such as golf and hiking
Moderate
Aggressive walking, frequent or daily sports such as jogging
Daily activities such as distance running, climbing, lifting and carrying heavy objects for
High
vocational purposes
Warning: For higher impact users, do not exceed the weight limit for individual springs.
Note... If in doubt choosing between two categories, choose the higher rate spring set.
Foot spring set recommendations shown are for transtibial users.
For transfemoral users we suggest selecting a foot spring set one category lower.
Once fitted with springs, cover appropriate lines on carrier with permanent black
marker to leave spring set number showing.
1
1
2
3
1
2
3
4
2
3
4
5
1
2
User Weight
4
5
6
5
6
7
6
7
8
3
4
7
8
9
8
9
9
Axial shock
spring rated
4
as shown
938289SPK1/1-0121