Françoise Jouffroy
Adjunct Professor
Doctorat d'Etat, La Sorbonne
The University of Paris (France), 1963

fkjouffroy@yahoo.fr

Evolution of vertebrate locomotion, primate adaptations, experimental analysis of locomotor movements, functional morphology of the musculoskeletal system, immunocytochemistry of myofibers.

Dr Jouffroy's research focuses on the adaptive responses of vertebrate locomotor systems to environmental constraints, with emphasis on the effect of the gravitational force in postures and locomotion. Her studies cover Amphibians, Reptiles, and Mammals, and especially Primates because of their very wide range of arboreal and terrestrial modes of locomotion.

Data acquisition combines field observations (West Africa) and laboratory experiments of positional behavior (slow motion video, high-speed cineradiography, force plates, and telemetered EMG at SUNY-Stony Brook since 1978) with morphological investigation of bone-muscle-ligament systems (X-ray, tomography, morphometrics, dissection) at the macro- and microscopic levels. Recent research deals with comparative immunocytochemistry of myofibers (using anti-myosin and anti-troponin antibodies) of mammalian (Primates, Rodents) and reptilian (Lizards) limb muscles in relation to locomotor specializations, and their modification in the course of postnatal development.

Selected Publications:

Jouffroy, F. K. Systeme musculaire. In P.-P. Grasse (ed) "Mammiferes": XVI, 2 (1968), pp. 479-548 ; XVI, 3 (1971), pp. 1 - 475, 626 - 678, 733 - 836. "Amphibiens", XIV, 1A (1995), pp. 302 - 420.

Jouffroy, F. K., Jungers W. L., Stern J. T., Jr (1979) Tele-electromyographie des divers faisceaux du muscle quadriceps femoris au cours de la locomotion chez un lemurien de Madagascar. C. R. Acad. Sc. Paris, 288:1627 - 1630.

Jouffroy, F. K., Stern, J. T., Jr (1990) Telemetered EMG study of the antigravity versus propulsive actions of knee and elbow muscles in the Slow loris (Nycticebus coucang). In F. K. Jouffroy et al. (ed.), "Gravity, Posture and Locomotion in Primates". Il Sedicesimo, Firenze, pp. 221 - 236.

Jouffroy, F. K., Medina M. F. (1996) Developmental changes in the fibre composition of elbow, knee, and ankle extensor muscles in cercopithecid monkeys. Fol. Primatol., 66:55 - 67.

Jouffroy, F. K., Stern, J. T., Jr, Medina, M. F., Larson (1999) Function and cytochemical characteristics of postural limb muscles in the rhesus monkey (Macaca mulatta). A telemetered EMG and immunofluorescence study. Folia Primatol. 70 :235 - 253.

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