Many Unanswered Questions

Eccentric exercise: many questions unanswered.

LOCOMOTION IS ARGUABLY one of the most ubiquitous and important manifestations of life, equally important to feeding as to escape predators. Evolution came up with three molecular motors to power motion: the actomyosin system Levitsky (11); the microtubule, dynein-based flagellar motors of eukaryotes (13); and the flagellar rotary motors of bacteria (15). All three systems serve propulsion, i.e...

Percutaneous PFO closure, further data but many unanswered questions.

The pace of technological development in interventional congenital cardiology over the last two decades has been fast and relentless. Successful and reliable closure of secundum atrial septal defects in the catheter laboratory translated to interest in the use of similar devices for the occlusion of the patent foramen ovale (PFO), a common remnant of the fetal circulation. The pathological pote...

HIGHLIGHTED TOPIC Eccentric Exercise Eccentric Exercise: Many questions unanswered

LOCOMOTION IS ARGUABLY one of the most ubiquitous and important manifestations of life, equally important to feeding as to escape predators. Evolution came up with three molecular motors to power motion: the actomyosin system Levitsky (11); the microtubule, dynein-based flagellar motors of eukaryotes (13); and the flagellar rotary motors of bacteria (15). All three systems serve propulsion, i.e...

E-Learning: some unanswered questions

Yoga: Some Unanswered Questions

Grover et al (1994) have provided an excellent and thought provoking analysis of the usefulness of yoga in treating neurotic disorders. Some questions however remain. One criticism of psychotherapy is that the criteria for the selection of suitable candidates usually identify patients with good prognostic features-patients who may improve even without any therapeutic intervention. Another criti...