Table 4.

Studies investigating the effects of physical activities and exercise on growth hormone in elderly subjects.

Authors	Study Year	Sample Size	Age	Gender	Intervention	Main findings
Pyka et al. [107]	1992	11 versus 12 younger controls	72 ± 0.8 y	Male (n = 6) and female (n = 5)	3 sets of 8 repetitions for each of the 12 exercises, at 70% of 1RM values	Growth hormone response to resistance exercise abolished/diminished in elderly subjects
Cearlock and Nuzzo [108]	2001	9 versus 16 younger controls	60–85 y	Female	4-week exercise program followed by 1 w of no exercise	No changes
Banitalebi et al. [74]	2018	40 (12 of which serving as controls)	67.35 ± 1.40 y	Female	Randomized allocation to a resistance followed by endurance training program (n = 12), endurance training followed by resistance training (n = 12), interval resistance-endurance training (n = 12) groups	No changes

Abbreviations: RM (repetition maximum); w (week); y (years).