1. Buchtal F, Schmalbruck H (1970) Contraction times and fiber types in intact human muscle. Acta Physiol Scand 79:435–455
2. Burke RE (1973) On the central nervous system control of fast and slow twitch motor units. In: Desmedt JE (ed) New developments in electromyography and clinical neurophysiology. Karger, Basel, pp 69–94
3. Caix M, Outrequin G, Descottes B et al. (1982) Anatomie fonctionnelle de la paroi abdominale: analyse électromyographique et histoenzymologique. Relation entre la tonicité pariétale et la pression intra-cavitaire abdominale. Rapport d'anatomie. 65e Congrès de l'Association des Anatomistes de langue française, Limoges 23–27 mai, 1982
4. Dubowitz V, Pearse AG (1960) A comparative histochemical study of oxydative enzyme and phosphorylase activity in skeletal muscle. Histochemie 2:105–170
5. Engel WK, Burke RE, Tsairis P, Levine DN, Zajac III FE (1973) Direct correlation of physiological and histochemical characteristics in motor units of cat triceps surae muscle. In: Desmedt JE (ed) New developments in electromyography and clinical neurophysiology. Karger, Basel, pp 23–30