Table 3.

Energy expenditure (METs) depending on the different musical instruments played, according to different authors.

Instrument	McArdle	Ainsworth	Fletcher
Accordion	2.1	1.8	1.8
Drums	4.3	4
Cello	2.7	2	2.3
Flute	2.3	2	2
Horn	1.9	2	1.7
Piano	2.6	2.5	2.3
Trumpet (standing)	2	2.5	1.8
Violin	2.9	2.5	2.6
Woodwinds	2.1	2	1.8
Writing, sitting	1.9	1.8	1.7
Walking (3.5 km/h)	2.7	2	2.5