Many authors, especially in the 1960s, used coaxial needle electrodes to record the compound muscle action potentials (CMAPs) inserted into the abductor pollicis brevis (APB) and opponens pollicis (OP) muscles. Some parameters were measured such as distal motor latency (DML), and motor nerve conduction velocity (MNCV) was calculated in the elbow-wrist (forearm) and axilla-elbow (arm) segments in both healthy subjects and patients affected by carpal tunnel syndrome (CTS).

M2 (Simpson, 1956) BUY CHAPTER

M3 (Thomas et al., 1959) BUY CHAPTER

M4 (Thomas, 1960) BUY CHAPTER

M7 (Jebsen, 1967) BUY CHAPTER

M9 (Buchthal et al., 1974) BUY CHAPTER

M19 (Ongerboer de Visser et al., 1984) BUY CHAPTER

M24 (Mortier et al., 1988) BUY CHAPTER