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Table 3 Collagen fibril morphology

From: Load magnitude affects patellar tendon mechanical properties but not collagen or collagen cross-linking after long-term strength training in older adults

  CON MRT HRT
0 mths (n = 9)a 12 mths (n = 9)a 0 mths (n = 12)a 12 mths (n = 12)a 0 mths (n = 9)a 12 mths (n = 9)a
Volume Fraction (%) 63 ± 2 59 ± 1 59 ± 2 62 ± 1 59 ± 2 59 ± 2
Mean fibril diameter (nm) 91 ± 5 83 ± 4 87 ± 3 86 ± 5 89 ± 4 78 ± 3
Density (#/μm2) 27 ± 2 31 ± 3 28 ± 2 33 ± 3 28 ± 3 36 ± 3
  1. Values are means ±SE. Data analyzed by repeated measures 2-way ANOVA with baseline adjustment and Tukey-Kramer post-hoc test
  2. HRT heavy resistance training, MRT moderate load resistance training, CON no training
  3. Main effect of time denoted by ‡(p < 0.05)
  4. aOne value missing due to technical problems