The cover of this issue shows an example of a straight leg raise exercise for strengthening knee muscles, accompanied by a raw surface electromyographic (EMG) signal (from a J&J I-330-C2+ biofeedback system). Thank you to Pam Neblett for modeling and to Nancy Medlin for photography and image production.
Observant readers will notice the initials BCB, BCN, and/or BCB-PMD behind the names of many of the authors and Biofeedback editorial board members. These initials have been newly adopted by the Biofeedback Certification Institute of America (BCIA) to designate BCIA board certification, replacing the older designation BCIA-C.
In addition, a