![The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019 The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019](https://journals.sagepub.com/cms/10.1177/1747954118805278/asset/images/large/10.1177_1747954118805278-fig2.jpeg)
The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019
![The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019 The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019](https://journals.sagepub.com/cms/10.1177/1747954118805278/asset/images/large/10.1177_1747954118805278-fig3.jpeg)
The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019
![The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019 The Sony Smart Tennis Sensor accurately measures external workload in junior tennis players - NL Myers, WB Kibler, AH Axtell, TL Uhl, 2019](https://journals.sagepub.com/cms/10.1177/1747954118805278/asset/images/large/10.1177_1747954118805278-fig4.jpeg)