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Effects of protein supplementation on knee complaints during and after repetitive walking exercise

Recruiting
Conditions
Knee joint discomfort in rest, during and after low-intensity exercise
Registration Number
NL-OMON25107
Lead Sponsor
Radboudumc Nijmegen, Netherlands
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
Not specified
Target Recruitment
200
Inclusion Criteria

o Registration for the Nijmegen Four Days Marches 2016

o Self-reported activity-related knee discomfort (VAS score ≥1)

Exclusion Criteria

o A known systemic joint or muscle disease

o Individuals that follow a low protein diet for medical reasons due to known kidney disease.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
(Changes in) activity-related knee discomfort expressed by the VAS-score (=∆VAS: baseline – 12 weeks of intervention)
Secondary Outcome Measures
NameTimeMethod
o (Changes in) activity-related knee discomfort expressed by and the KOOS score Lysholm score<br /><br>o Handgrip strength <br /><br>o Maximal voluntary strength of the quadriceps muscle (in only 40 subjects)<br /><br>o Fatigue-index and force-frequency relationship of the quadriceps muscle (in only 40 subjects)<br /><br>o Inflammatory markers (IL-6, IL-1beta, TNF-alpha, MCP-1, hsCRP)<br /><br>o Bone and joint markers (PINP, CTX, osteocalcin, CP2, CTXII)<br /><br>o Analgesics usage<br /><br>o Subject characteristics (anthropometrics)<br /><br>o Protein intake (24h recall)<br /><br>o Physical activity (SQUASH) <br>
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