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September 1971

Muscle Blood Flow in the Human Biceps as a Function of Developed Muscle Force

Author Affiliations

Cleveland; New Haven, Conn; Gothenburg, Sweden
From the Division of Applied Electronics, Chalmers University of Technology, and the Department of Clinical Neurophysiology, Sahlgren Hospital, Gothenburg, Sweden. Dr. Mortimer is now with the Department of Biomedical Engineering, Case Western Reserve University, Cleveland, and Dr. Kerstein is now with the Department of Surgery, Yale University School of Medicine, New Haven, Conn.

Arch Surg. 1971;103(3):376-377. doi:10.1001/archsurg.1971.01350090058013

Biceps muscle blood flow was studied in normal human males during varying degrees of muscle contraction. The results indicate that as the isometric work load increases the muscle blood flow initially increases, reaches a peak, and falls to zero as the maximum isometric force is approached. In all cases where the elbow angle was between 85° and 120°, the muscle blood flow was zero during maximal isometric contraction, as measured by the isotope clearance technique.