Towards a Complete Set of Gym Exercises Detection Using Smartphone Sensors

Table 7

Table for best accuracy with the number of sensors used.

Sensors used	Smartphone position	Classifier used	Maximum accuracy achieved (%)	Variance
Single sensor used	Leg	KNN	96.39	——
Two sensors used	Arm and leg	KNN	99.27	2.88%
Three sensors used	Arm, belly, and leg	KNN	99.51	0.23%
Four sensors used	Arm and leg	KNN	99.63	0.12%
Five sensors used	Arm, belly, and leg	KNN	99.72	0.14%