SUPER FEET INSOLES
A removable shoe insert, otherwise known as a foot
orthosis, insole or inner sole accomplishes
many purposes, including daily wear comfort, height enhancement, plantar fasciitis treatment, arch support,
foot and joint pain relief from arthritis, overuse, injuries, leg length
discrepancy, and other causes such as orthopedic correction and athletic
performance.
history
Medical use of foot orthoses has been criticized as lacking
evidence of benefit, and practice is very inconsistent: reputed podiatrists prescribe completely
different orthoses for a single patient.[1][2][3] Further,
effect of a given design of orthosis varies significantly by patient,[4] and
standard practice to personalize prescription is not available.[5] However,
evidence is mixed: patients often report at least short-term improvements in
comfort, and other studies have found effectiveness.[6]
There are three standard methods for fitting patients: plaster
casts, foam box impressions, or three-dimensional computer imaging. None are
very accurate: all produce proper fit under 80% of the time.[7][8]
Traditionally they were created from plaster casts made from the
patient's foot. These casts were made by wrapping dipped plaster or fiberglass
strips around the foot to capture the form, then letting it dry and harden.
Once the cast was hardened, the doctor would carefully remove it from the patient's
foot and ship it, along with a prescription, to an orthotics lab which would
use the negative of the cast to create an orthopedic insert.
superfeet insoles
Recently, several companies have developed digital foot scanners
that use specialized software to scan a patient's foot and create a
"virtual" cast. These scans are made by having the patient place the
foot onto a specialized flat image scanner that uses light and software to
capture and create a 3D model. This 3D model is then electronically submitted
(along with a prescription) to an orthotics lab, where it is used to program a CNC machine that will ultimately
produce the orthopedic insert.
·
Razeghi,
Mohsen; Batt, Mark Edward (2000). "Biomechanical analysis of the effect of
orthotic shoe inserts". Sports Medicine. 29 (6):
425–38. doi:10.2165/00007256-200029060-00005. PMID 10870868. S2CID 19959986.
·
Landorf,
K.B.; Keenan, A.M. (2000). "Efficacy
of foot orthoses. What does the literature tell us?". Journal
of the American Podiatric Medical Association. 90 (3):
149–58. doi:10.7547/87507315-90-3-149. PMID 10740997. S2CID 23374568.
·
Christovão,
TC; Neto, HP; Grecco, LA; Ferreira, LA; Franco de Moura, RC; Eliege de Souza,
M; Franco de Oliveira, LV; Oliveira, CS (Oct 2013). "Effect of
different shoe inserts on postural balance: a systematic review". Journal
of Physical Therapy Science. 25 (10): 1353–6. doi:10.1589/jpts.25.1353. PMC 3820199. PMID 24259792.
·
Penny, P;
Geere, J; Smith, TO (Oct 2013). "A systematic review investigating the
efficacy of laterally wedged shoe inserts for medial knee osteoarthritis". Rheumatology
International. 33 (10): 2529–38. doi:10.1007/s00296-013-2760-x. PMID 23612781. S2CID 20664287.
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