. 2021 Jul 1;43(4):1567–1584. doi: 10.1007/s11357-021-00396-0

Table 2.

Mean (± SD) values for patellar tendon CSA (mm²) throughout the training period

	Week 0	Week 2	Week 4	Week 6	Week 8
Young CON	84.2 (5.6)	83.4 (5.8)	84.8 (5.3)	83.3 (5.7)	85.1 (5.0)
Young ECC	86.9 (10.2)	86.6 (10.2)	86.8 (10.7)	86.3 (9.9)	86.6 (10.8)
Old CON	89.0 (11.1)	88.3 (10.7)	89.0 (11.3)	88.4 (10.7)	89.1 (11.5)
Old ECC	89.7 (10.4)	89.3 (11.0)	89.6 (10.7)	90.0 (10.0)	90.5 (9.3)

Week 0

Week 2

Week 4

Week 6

Week 8

Young CON

84.2

(5.6)

83.4

(5.8)

84.8

(5.3)

83.3

(5.7)

85.1

(5.0)

Young ECC

86.9

(10.2)

86.6

(10.2)

86.8

(10.7)

86.3

(9.9)

86.6

(10.8)

Old CON

89.0

(11.1)

88.3

(10.7)

89.0

(11.3)

88.4

(10.7)

89.1

(11.5)

Old ECC

89.7

(10.4)

89.3

(11.0)

89.6

(10.7)

90.0

(10.0)

90.5

(9.3)

N values for groups were as follows: YC, n = 10; YE, n = 9; OC, n = 8; and OE, n = 8