The magnetic activity was maximal in the 4th intercostals near the center of the sterna.
Shinsuke Nakayama, Kenta Sawamura, Kaneo Mohri, Tsuyoshi Uchiyama 2011, 'Pulse-driven magnetoimpedance sensor detection of cardiac magnetic activity.', PLoS ONEhttp://europepmc.org/articles/PMC3192116?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Only 9 out of 50 (18%) of male sterna had a length equal to or below 126mm.
Krishnakumar Siva Sankara Narayanan, Prajith Thekke Madathil 2018, 'AUTOPSY BASED REGIONAL STUDY OF DETERMINATION OF SEX FROM STERNAL FINDINGS', Journal of Evidence Based Medicine and Healthcarehttps://jebmh.com/assets/data_pdf/Prajith_Thekke_Madathil_-_2_-_FINAL.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)