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Deltoid Muscle: Thick triangular muscle in the Shoulder whose function is to abduct, flex, and extend the arm. It is a common site of Intramuscular injections.

Intra-articular Shoulder Injection for Reduction Following Shoulder Dislocation

JoVE 10282

Source: Rachel Liu, BAO, MBBCh, Emergency Medicine, Yale School of Medicine, New Haven, Connecticut, USA


The anterior shoulder dislocation is one of the most common joint dislocations seen in emergency settings. In anterior shoulder dislocation, the humeral head is displaced out of the glenohumeral joint in front of the scapular glenoid,…


 Emergency Medicine and Critical Care

Preparing and Administering Intramuscular Injections

JoVE 10261

Source: Madeline Lassche, MSNEd, RN and Katie Baraki, MSN, RN, College of Nursing, University of Utah, UT



Intramuscular (IM) injections deposit medications deep into the muscle tissue. Since muscle fibers are well perfused, this route of administration provides quick uptake of the medication and allows for the administration…


 Nursing Skills

Neck Exam

JoVE 10180

Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA


Examination of the neck can be a challenge because of the many bones, joints, and ligaments that make up the underlying cervical spine. The cervical spine is composed of seven vertebrae stacked in gentle C-shaped curve. The anterior part of each vertebra is made up…


 Physical Examinations III

Motor Exam I

JoVE 10052

Source:Tracey A. Milligan, MD; Tamara B. Kaplan, MD; Neurology, Brigham and Women's/Massachusetts General Hospital, Boston, Massachusetts, USA


Abnormalities in the motor function are associated with a wide range of diseases, from movement disorders and myopathies to strokes. The motor assessment starts with observation of the patient.…


 Physical Examinations III

Manual Muscle Testing: A Method of Measuring Extremity Muscle Strength Applied to Critically Ill Patients

1Outcomes After Critical Illness and Surgery (OACIS) Group, Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, 2Critical Care Physical Medicine and Rehabilitation Program, Johns Hopkins Hospital, 3Department of Physical Medicine and Rehabilitation, Johns Hopkins University, 4Department of Rehabilitation Services, University of Maryland Medical System

JoVE 2632


 Medicine

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