Clinical Benefits
• Allows variable running speeds
• Increased self-selected walking speed
• 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
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
High
Daily activities such as distance running, climbing, lifting and carrying heavy objects for
vocational purposes
Warning: For higher impact users, do not exceed the weight limit for individual springs.
Notes:
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 spring set one category lower, refer to Fitting Advice
section to ensure satisfactory function and range of movement.
1
1
2
1
2
3
2
3
4
User Weight
3
4
5
4
5
6
5
6
7
4
6
7
8
7
8
9
8
9
9
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