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Related Concept Videos

Lift01:23

Lift

Lift is a fundamental aerodynamic force that acts perpendicular to the direction of airflow. It plays a central role in achieving and sustaining flight and in stabilizing various vehicles. Lift primarily originates from pressure differences created across surfaces, such as an airfoil. A lower pressure region forms above the wing, while a higher pressure region forms below it, generating an upward force. This differential results from the shape and orientation of the airfoil, enabling the wing...
Flail Chest-II01:26

Flail Chest-II

Managing flail chest, a condition characterized by a segment of the chest wall moving independently from the rest of the thoracic cage, requires a comprehensive approach. It includes a thorough assessment of the patient's condition, a diagnostic evaluation to determine the extent of the injury, and the implementation of appropriate medical interventions tailored to the individual's needs.
Assessment:
1. Clinical Evaluation:
History:
Muscles of the Shoulder01:23

Muscles of the Shoulder

The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
Anterior Thoracic Muscles
The anterior thoracic muscles include the serratus anterior, subclavius, and...
General External Flow Characteristics01:26

General External Flow Characteristics

The study of external flow is essential for creating structures and objects that interact efficiently and safely with moving fluids, such as air or water. When a body is immersed in a flowing fluid, it experiences two primary forces: drag, which opposes motion along the flow direction, and lift, which acts perpendicular to the flow. The shape, size, and orientation of the object influence these forces.Streamlined and Blunt Bodies in External FlowObjects in fluid flow are classified as...
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

To understand shear on the flat side of a prismatic beam element, consider the vertical and horizontal shearing forces, and the normal forces, acting on the element. The element's upper (U) and lower (L) sections, which are divided by the beam's neutral axis, are examined. The equilibrium of these forces is determined by applying the equilibrium equation, which helps identify the horizontal shearing force. This force is directly related to the bending moments and the cross-section's first...
Maximum Deflection01:13

Maximum Deflection

When analyzing beams under unsymmetrical loads, such as a train moving on a bridge, it is crucial to accurately determine the points of maximum stress and deflection. The process involves identifying the maximum deflection of the beam, which may not always occur at its midpoint due to the uneven distribution of the load.
The maximum deflection occurs at a specific point, known as point O, where the tangent to the deflection curve is horizontal. To find point O, the slope of the tangent at any...

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Related Experiment Video

Updated: Jun 22, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

No more shoulders: Technical modification of Byars' flaps.

Eric A Kurzrock1, Nicholas Hellenthal

  • 1Department of Urology, University of California Davis Children's Hospital, Sacramento, CA, USA.

Indian Journal of Urology : IJU : Journal of the Urological Society of India
|May 27, 2009
PubMed
Summary

Hypospadias repair often causes ventral penile skin deficiency. This study presents a simple surgical technique to correct unavoidable redundant skin folds after flap transposition, improving outcomes.

Keywords:
Hypospadiasplasticsurgerysurgical flaps

Related Experiment Videos

Last Updated: Jun 22, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Area of Science:

  • Urology
  • Pediatric Surgery
  • Plastic Surgery

Background:

  • Hypospadias repair, particularly for midshaft or proximal cases, frequently results in ventral penile skin deficiency.
  • Transposition of dorsal or lateral skin flaps can lead to undesirable redundant skin folds or 'shoulders' post-operatively.

Purpose of the Study:

  • To describe a straightforward surgical method for correcting unavoidable redundant skin folds after hypospadias repair.
  • To address a common complication that can affect cosmetic and functional outcomes.

Main Methods:

  • A simple technique for tailoring and positioning skin flaps during hypospadias repair is detailed.
  • Focuses on managing excess skin when it cannot be avoided through standard flap manipulation.

Main Results:

  • The described method effectively corrects redundant skin folds that arise from flap transposition.
  • Appropriate tailoring and positioning of flaps generally prevent excess skin, but this technique offers a solution when needed.

Conclusions:

  • This technique provides a reliable solution for managing unavoidable redundant skin folds in hypospadias surgery.
  • It aims to optimize the cosmetic and functional results of penile reconstruction.