Used Kettlebell -
(2013): Often cited in the Journal of Strength and Conditioning Research , this paper looks at how kettlebell training translates to traditional gym metrics like the vertical jump.
Here are some other highly-regarded papers depending on your specific interest: Biomechanics and Safety used kettlebell
: This paper on ResearchGate explores how continuous swings can improve cardiorespiratory fitness and heart rate. General Performance (2013): Often cited in the Journal of Strength