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Related Concept Videos

Moment of a Force: Problem Solving01:29

Moment of a Force: Problem Solving

Understanding the scalar formulation of the moment of a force and applying it correctly through problem-solving is crucial in designing and analyzing mechanical systems. Here are the steps for problem-solving with the moment of a force:
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Factors Influencing Attraction I: Proximity

Proximity plays a fundamental role in shaping interpersonal attraction by increasing opportunities for interaction and fostering familiarity. Research consistently demonstrates that individuals are more likely to form social bonds with those who are physically closer to them, whether in residential settings, workplaces, or educational institutions. This effect is largely driven by the increased frequency of encounters, which facilitates the development of friendships and romantic...
Non-conservative Forces01:17

Non-conservative Forces

Non-conservative forces are dissipative forces such as friction or air resistance. These forces take energy away from a system as it progresses. Unlike conservative forces, non-conservative forces do not have potential energy associated with them. This is because the energy is lost to the system and cannot be turned into useful work later.
Also unlike their conservative counterparts, they are path-dependent; where the object starts and stops does matter. For example, a grinding wheel applies a...
Healthcare Associated Infections II: Preventive Measures01:22

Healthcare Associated Infections II: Preventive Measures

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Coplanar Forces01:25

Coplanar Forces

Consider an object upon which multiple forces are acting. If the lines of action of each force lie within the same plane, the system can be considered coplanar. The Cartesian vector form can be used to resolve each force into its respective components. For a coplanar system, the system will be in equilibrium if each component of the resultant force equals zero and the resultant force on the system is zero. If the sum of the forces is not equal to zero, then the object will not be in equilibrium...
Introduction to force01:25

Introduction to force

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Related Experiment Videos

Teaching forceps: the impact of proactive faculty.

Ido Solt1, Sherri Jackson, Thomas Moore

  • 1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Cedars-Sinai Medical Center, Los Angeles, CA, USA. solti@cshs.org

American Journal of Obstetrics and Gynecology
|February 22, 2011
PubMed
Summary

A dedicated obstetrics teacher significantly increased resident forceps use, leading to improved birth outcomes and fewer low fetal pH events without altering Cesarean section or injury rates.

Related Experiment Videos

Area of Science:

  • Obstetrics and Gynecology
  • Medical Education
  • Clinical Outcomes Research

Background:

  • Forceps delivery is a critical obstetric skill that requires dedicated training.
  • Variability in resident experience can impact operative delivery outcomes.

Purpose of the Study:

  • To assess the effect of a single, proactive attending physician on resident forceps experience.
  • To evaluate the impact of focused teaching on delivery statistics and patient outcomes.

Main Methods:

  • A comparative study design analyzed delivery data from two years before and two years after the appointment of a dedicated forceps instructor.
  • Statistical analysis included chi-squared and Student t-tests to compare outcomes.

Main Results:

  • Forceps deliveries increased by 59% (8% of all births), while vacuum-assisted deliveries decreased to 3% (P < .0001).
  • Overall operative vaginal delivery rates and Cesarean section rates remained unchanged.
  • There were no significant differences in perineal lacerations, Apgar scores, or birth injuries, but fewer fetal acidosis events (pH < 7.1) were observed during the teaching period (P = .003).

Conclusions:

  • A dedicated, experienced obstetrics faculty member teaching forceps delivery is associated with increased utilization of the procedure.
  • This focused teaching approach positively impacted birth outcomes, including a reduction in fetal acidosis.
  • The study highlights the importance of specialized faculty in resident training for operative vaginal delivery.