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Table 4 Collagen and collagen cross-links

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 = 10)

12 mths (n = 10)

0 mths (n = 13)

12 mths (n = 13)

0 mths (n = 9)a

12 mths (n = 9)a

Collagen (%)

69 ± 3

62 ± 2

61 ± 4

59 ± 2

63 ± 3

61 ± 2

HP (mmol/mol collagen)b

298 ± 28

322 ± 25

314 ± 23

267 ± 21

254 ± 28

292 ± 22

LP (mmol/mol collagen)b

24.8 ± 5.0

26.5 ± 3.8

40.8 ± 4.4

28.8 ± 5.1

37.0 ± 5.9

34.3 ± 3.2

Fluorescence (AU/mol collagen)

1139 [1096–1185]

1235 [1176–1297]

1155 [1124–1187]

1196 [1161–1232]

1263 [1191–1339]

1328 [1285–1372]

  1. Values are means ±SE or geometric mean [lower limit – upper limit]. Data analyzed by repeated measures two-way ANOVA with baseline adjustment and Tukey-Kramer post hoc test
  2. CON = Control, MRT = moderate load resistance training, HRT = Heavy load resistance training
  3. No time x group interactions. ‡: Main effect of time (p < 0.05)
  4. aOne missing sample due to anti-coagulant therapy. bFive missing pairs of samples due to logistics
  5. CON: n = 9, MRT: n = 11, HRT: n = 8