Deltoid muscle location

The deltoid muscle is located in the upper arms and shoulders. The muscle is made up of three distinct sets of fibers. The anterior deltoid attaches to the outer end on the clavicle, the lateral. The deltoid muscle is located on the outer aspect of the shoulder and is recognized by its triangular shape. The deltoid muscle was named after the Greek letter Delta due to the similar shape they.. The deltoid muscle is a rounded, triangular muscle located on the uppermost part of the arm and the top of the shoulder. It is named after the Greek letter delta, which is shaped like an equilateral triangle

The deltoid muscle is the main muscle of the shoulder. It consists of three muscle heads: the anterior deltoid, lateral deltoid, and posterior deltoid. All assist with arm elevation during a process called glenohumeral elevation and play a large role in the movement and overall stability of the shoulder joint and upper arm The deltoid muscle is the muscle forming the rounded contour of the human shoulder. It is also known as the 'common shoulder muscle', particularly in other animals such as the domestic cat . Anatomically, the deltoid muscle appears to be made up of three distinct sets of muscle fibers , namely th

Locating the correct position on the deltoid for an IM injection. Most vaccinations should be delivered via the Intra-Muscular (IM) route into the deltoid muscle. It is essential that the correct anatomical landmarks are located to ensure delivery of the vaccination into muscle tissue The deltoid is a superficial muscle of the shoulder, thus it lies deep only to its overlying fascia, the platysma muscle and skin. Due to its superficial nature, the deltoid can be easily observed and palpated

Where is the Deltoid Muscle? - Location, Regions & Parts

  1. Deltoid Muscle Location. Deltoid is one of the main shoulder muscles that extends from the top of the shoulder to the side of the upper arm. Origin. Anterior (front, clavicular) head: the lateral third of the clavicle; Middle (lateral, acromial) head: acromion process of the scapula; Posterior (rear, spinal) head: spine of the scapula; Reference: [1] Insertio
  2. Dr. Ebraheim's educational animated video describes the deltoid intramuscular injection, which is a common procedure.The vastus lateralis and the safe area o..
  3. ed sites in young adults. A: In the deltoid muscle, three finger breadths below the mid-acromion (MA) was defined as (a), and the point on the anteroposterior axillary line (b) was defined as that located at the intersection of the perpendicular line from MA and the horizontal line between the upper end of the anterior axillary line (AAL) and upper end of the posterior.
  4. The deltoid is the principal abductor of the arm at the glenohumeral (shoulder) joint and also flexes and extends the humerus. The deltoid is the largest and probably the most important muscle of the shoulder complex. 1 Howell SM, Imobersteg AM, Seger DH, Marone PJ. Clarification of the role of the supraspinatus muscle in shoulder function
  5. mid-middle upper deltoid border to the nerve (mid), from the upper deltoid border to the site where both divisions of the nerve meet, the muscle in the region between the posterior and the middle deltoid (mp), from the upper deltoid border to the site where the nerve enters the muscle belly posteriorly-posterio
  6. The deltoid muscle is a triangle-shaped muscle located on the shoulder. It is made up of three distinct parts (or heads), namely the anterior, lateral (or middle), and posterior heads
  7. The deltoid muscle is a large triangular shaped muscle associated with the human shoulder girdle, explicitly located in the proximal upper extremity. The shoulder girdle is composed of the following osseous components [1] [2] [3

Video: Deltoid Muscle Origin, Function & Area Body Map

The main shoulder muscle, the deltoid, is divided into three areas, or heads. Anatomical and functional segments of the deltoid muscle: the anterior (front) deltoid; the lateral (side) deltoid; the posterior (rear) deltoid; This three-part muscle wraps around the cap of the shoulder joint Luckily, the deltoid intramuscular injection site is one of the easiest sites to find and inject into. To locate the deltoid injection site, feel for the bone, place two fingers below it, and imagine a region a couple of inches below your fingers that you will inject. The injection site should be at the center of the width of the arm The deltoid is a large and powerful shoulder muscle. Learn more about the origin, insertion, innervation, and functions of the shoulder muscles in this quiz. » Locate the deltoid muscle of the upper arm » Use anatomical landmarks to determine the injection site » In adults, the midpoint of the deltoid is about 2 inches (or 2 to 3 fingers' breadth) below the acromion process (bony prominence) and above the armpit in the middle of the upper arm. Acromion Process. Deltoid Muscle. Axillary Fold/ Armpit. Humeru The deltoid muscle is the most common site for vaccines. This muscle is in the upper arm near the shoulder. It can only receive small volumes of medication, usually 1 milliliter or less

The deltoid is a large rounded triangular shape on the outside of the upper arm, on top of the humerus, the clavicle and the scapula. The brachial artery and the radial nerve sit behind the deltoid and come down from the muscle. The injection site is a smaller triangle-shaped area, in the middle of the deltoid, above the deltoid tuberosity The deltoid insertion is separated into two or three identifiable locations that correspond to the muscle's three places of origin, despite being conventionally regarded as a single insertion. An arch-like structure with strong anterior and posterior fascial connections flanking an intermediate tissue bridge makes up the insertion Muscles located in different parts of the body have varied functions. The deltoid is a muscle located in the shoulder. Scroll down to know more about this muscle. What is a Deltoid Muscle? When you take a look at the anatomy of the shoulder, one of the important muscles is the deltoid muscle. It was previously called deltoideus The Deltoid muscle is a large triangular shaped muscle which lies over the glenohumeral joint and which gives the shoulder its rounded contour. It is named after the Greek letter delta, which is shaped like an equilateral triangle

Where is the Deltoid Muscle? The deltoid muscle has attachments on the humerus bone. These attachments are formed nearly halfway down the humerus, which allows these muscles to move the humerus upward when they are flexed. The deltoid muscle location. If you feel your shoulder, nearly the entire muscle mass you can feel is your deltoid The deltoid muscle is a large triangular shaped muscle associated with the human shoulder girdle, explicitly located in the proximal upper arm. The shoulder girdle is composed of the following bony components: Proximal humerus. Scapula - anatomic components of the scapula also include the glenoid, acromion, coracoid process Anterior deltoid trigger points are usually located high in the front margin of the muscle, in front of the glenohumeral joint, or lower toward the midpoint. The referred pain pattern is in the area of the front shoulder surrounding the trigger point with some spillover pain further down the arm and posterior to the TP Mary McMahon A deltoid intramuscular injection goes straight into the upper arm. A deltoid intramuscular injection is a shot administered directly into the muscle tissue of the upper arm. This is a popular location for injections in adults because it is easy to access and is suitable for a range of types of medications

Deltoid Muscle - Anatomy Pictures and Informatio

  1. Anatomy. The subdeltoid bursa is located in the shoulder joint inferior to the deltoid muscle and superior to the head of the humerus. It is a thin, flat sac made of fibrous connective tissue lined with synovial membrane. « Back Show on Map ». Anatomy Term
  2. Location of the deltoid muscles: Highlighted in orange, the deltoids cover the rounding of the shoulder joint. Intrinsic muscles originate from the scapula or clavicle and attach to the humerus. There are six intrinsic muscles, four of which form the rotator cuff
  3. first, in front of; deltoides, triangular) refers to the front head of the deltoid muscle. In this post you will discover everything you need to know about your functional anatomy of the front fingertips †form (look), function (muscle action), location, insertion and origin. Your shoulder muscles are called deltoids or dolphins in Gym Jargon
  4. Key Muscle Locations and Movements Use this page to find the attachments (origin and insertion), and movements created by the major muscles of the human body What muscles cause certain movements? Given that muscles make movement Deltoid. Clavicle and spine of scapula.
  5. Option B: Deltoids are rounded, triangular muscles located on the uppermost part of the arms and the top of the shoulders. Option A: The trapezius is one of the major muscles of the back and is responsible for moving, rotating, and stabilizing the scapula (shoulder blade) and extending the head at the neck

Deltoid tuberosity Definition. It refers to a bumpy area on the shaft of the humerus which the deltoid muscle is attached to. The word Tuberosity comes from the term Tuber which is of Latin origin and means A lump.. It is also known by various other names, such as Muscle Volume: 126 cm3 Location: Upper and inner thigh The deltoid muscles are named for their resemblance of the Greek letter Delta, which is also triangular in shape. These muscles wrap around your shoulders to strengthen the forwards and backwards motion of the arms 1. Anterior Deltoid Raise. Benefits: One of the best front deltoid exercises, this targets the muscle's anterior (frontal) head.This helps to build the strength needed to lift objects in front of you, says Openfit fitness expert Cody Braun

The deltoid muscle in the upper arm is located near a cluster of lymph nodes — a critical component in the immune system. That's why many shots are administered there Intramuscular injection, often abbreviated IM, is the injection of a substance into a muscle.In medicine, it is one of several methods for parenteral administration of medications. Intramuscular injection may be preferred because muscles have larger and more numerous blood vessels than subcutaneous tissue, leading to faster absorption than subcutaneous or intradermal injections Deltoid Muscle. Fig. 26.1. Three parts of the deltoid . The anterior, middle, and posterior portions of the deltoid converge and run distally to the deltoid tuberosity on the humeral shaft. The origin and insertion of the deltoid have two attachment patterns: the tendinous attachment and the direct attachment of the muscle fibers

Deltoid pain is usually caused by overusing your deltoid muscle without rest or proper warm-up. This increases your risk for a muscle strain or tear. A strained muscle may also be called a. The lateral deltoid has about the same amount of fast twitch muscle fibers as it does slow twitch muscle fibers (to be precise, it is slightly slow-twitch dominant). As such, it is likely best-suited for moderate to lighter weight with a moderate to higher rep range (i.e. 6-15) Deltoid Blood Suppy. The Shoulder (including the deltoid muscle), Brachium (arm) and Antebrachium (forearm) make up the Thoracic Limb. They are supplied by blood vessels and nerves that run mainly medially and cranially on the limb. At the joints they are generally found on the protected, flexor, aspect of the joint

Deltoid Muscle: Anatomy, Function, and Treatmen

Start studying Muscle Location. Learn vocabulary, terms, and more with flashcards, games, and other study tools It is located in the uppermost part of the arm, at the shoulder. Tendons attach the deltoid to the collarbone, shoulder blade, and upper arm. Like many other muscles, the deltoid can be sore for a. It doesn't happen often in the field of myofascial pain, but the deltoid muscle group is not going to fool anyone with the referred pain from its trigger points. What might fool you is the fact that deltoid trigger points are rarely the sole cause of shoulder pain, despite their prominent location. The Deltoid Muscle deltoid muscle - above the level of the armpit . and approximately 2-3 fingerbreadths (~2) below the acromion process. See the diagram. To avoid causing an injury, do not inject too high (near the acromion process) or too low. continued on the next page

Posterior Capsule/Deltoid Stretch - InSync Physiotherapy

Despite both being muscles located in the shoulder, deltoid cuff is one muscle, while rotator cuff consists of four muscles and tendons. So, this is the key difference between deltoid and rotator cuff. Moreover, deltoid cuff injuries are usually caused by wearing and tearing of muscles, fatty atrophy and enthesopathy Deltoid muscle. Infraspinatus muscle & tendon. Scapular spine. Biceps tendon, long head. Coracohumeral ligament. Supraspinatus muscle (Top) The first of 3 consecutive axial T2 MR arthrogram images through the rotator interval is shown. Axial imaging is not the optimal plane for evaluating the rotator interval, but can be useful These muscles attach to superior, middle, and inferior facets (respectively) on the greater tuberosity. Lesser Tuberosity: It is much smaller than the greater Tuberosity, and is located inferior to the head, bearing an anterior surface only. It provides an attachment site for the last rotator cuff muscle - the subscapularis The images of these patients were then retrospectively reviewed to determine the location of the deltoid tear, the presence of rotator cuff tears, tendon retraction, muscle atrophy, degree of humeral head subluxation, bony erosive changes involving the undersurface of the acromion, and the presence of edema or fluid-like signal intensity in the deltoid muscle and overlying subcutaneous tissues

Remix of "Supraspinatus, Deltoid, Teres Major, Teres

This means that the target muscle needs to be the only muscle that contracts, and all muscles near the target muscle must remain relaxed. Unfortunately, because adjacent muscles often share the same joint action with the target muscle, simply placing our hands on the location of the target muscle and then choosing any one of the target muscle's actions to contract it is usually not enough Deltoid: The Deltoid is a large triangular shaped muscle which extends over the glenohumeral joint and which provides the shoulder its rounded contour. The Deltoid comprises 3 distinct pieces each of which offers a different movement of the glenohumeral joint, usually identified the anterior, mid and posterior heads a. Other than the frontalis or intercostals, identify a muscle named for its location. [1] b. Other than the deltoid or trapezius, identify a muscle named for its shape. [1] a c. Other than the muscles of the gluteal group, identify a muscle named for its size. [1] d. Other than the rectus abdominis and transversus abdominis, identify a muscle.

Deltoid Muscle Pain Treatment. There are a few deltoid pain treatment methods that can alleviate the pain. Deltoid pain treatments include the RICE method, certain therapy wraps, and self-massage. Doctors, trainers, and other medical professionals recommend the RICE (rest, ice, compression, and elevation) method for recent injuries, swelling, chronic pain, and avoidance of re-injury Posterior Deltoid Tear. A Posterior Deltoid Tear can occur suddenly from an overload on or overstretch of the muscle. You will experience sharp pain and will be unable to perform the movements that the Posterior Deltoid is responsible for. Swelling, bruising and loss of strength in the muscle are all common symptoms Acting as a synergist or helper muscle, the anterior deltoid works with your pecs whenever you do bench presses, push-ups, flyes, dips, or crossovers. It's a hard-worked muscle! Subsequently, a lot of lifters already have well-developed anterior deltoids. The medial deltoids are located on the side of you Overview. Deltoid tendonitis is an injury to the deltoid muscle which covers the shoulder joint. The deltoid muscle is a large muscle which lifts the arm up sideways and can be divided into three parts: the front or the anterior part which helps in flexion or lifting the arm up forwards, the middle part and the back or posterior which helps in extension or lifting the arm up backwards

There are a lot of skeletal muscles in the human body, and skeletal muscles often have long and hard-to-remember names. However, the muscle names often reflect something about their action, their shape, or their locations. If you know the logic of how a muscle name was derived, it often makes it easier to remember that muscle's name and location In other words they can be called as lubrication or cushioning between the bones of a joint. This causes increased flexibility of the joint and also reduces degeneration of the joint to some extent. Among the fluid filled sacs present around various joints, the subdeltoid bursa is located between the shoulder joint and the deltoid muscle The platysma is a thin sheet-like muscle that lies superficially within the anterior aspect of the neck.It arises in the upper thoracic and shoulder regions from a fascia that covers the pectoralis major and deltoid muscles.Its fibers ascend superomedially over the anterolateral aspect of the neck, to attach on the mandible and the skin and subcutaneous tissue of the lower face Latissimus dorsi, like pectoralis major, is a powerful adductor of the humerus. Acting through the humerus, it's also a powerful depressor of the scapula, powerful enough to overcome the whole weight of the body, as in doing a pull-up. Last of all, here's the deltoid muscle. It completely surrounds the shoulder joint from the front, to the back The posterior deltoid (L. posterior, behind ; deltoides, triangular) refers to the rear head of the three-headed deltoid muscle. It acts on the shoulder joint and is the prime mover in shoulder horizontal abduction. Located on the back of the shoulder - medial to the lateral deltoid and lateral to the middle trapezius - the posterior deltoid is classified as a scapulohumeral (intrinsic.

Deltoid muscle - Wikipedi

The vastus lateralis muscle in the anterolateral thigh can also be used. Most adolescents and adults will require a 1- to 1.5-inch (25-38 mm) needle to ensure intramuscular administration. Vaccines must reach the desired tissue to provide an optimal immune response an Deltoid muscle: The deltoid muscle has a triangular shape and is easy to locate and access, but is commonly underdeveloped in adults. Begin by having the patient relax the arm. The patient can be standing, sitting, or lying down. To locate the landmark for the deltoid muscle, expose the upper arm and find the acromion process by palpating the. The quadriceps are a group of four muscles located in the thigh region. The prefix quad- determines the number of muscles. Another example is the biceps brachii, the prefix bi- indicates that the muscle has two orgins. 3. Name two muscle terms that describe the shape of muscle. The term deltoid refers to the muscle being in a triangular shape

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Locating the correct position on the deltoid for an IM

The anterior deltoid is the front shoulder muscle and is one of the three heads of the deltoids. The others being the lateral and posterior heads. The anterior deltoid serves to raise the arm up overhead and is a prime mover in vertical pushing motions For women, the prevalence of tenderness (some + severe) was above 50% in all of the examined anatomical locations but the deltoid muscle. The prevalence of severe tenderness ranged between 18-30% in the infraspinatus, neck extensors and levator scapulae, and ranged between 13-19% in the upper trapezius, occipital border, and supraspinatus Deltoid muscle of arm: Female or male 130-152 lbs. 22-25: 1 Deltoid muscle of arm: Female 152-200 lbs. 22-25: 1-11/2 Deltoid muscle of arm: Male 152-260 lb Lab 7 The Muscular System BIO201L Student Name: Hassanatou Barry Access Code (located on the lid of your lab kit): Click here to enter text. Pre-Lab Questions 1. How do banding patterns change when a muscle contracts? Action potential must be sent from neurons to the end of thebulb of an axon. The action potential then induces depolarization on t-tubules Muscles Deltoid Muscle Muscle, Skeletal Rotator Cuff Muscle, Smooth Ligaments Muscle Fibers, Skeletal Muscle, Smooth, Vascular Shoulder Joint Muscle Fibers, Fast-Twitch Muscle Fibers, Slow-Twitch Humerus Myocytes, Smooth Muscle Shoulder Ligaments, Articular. Organisms 2. Ascomycota Hordeum. Diseases 4

Deltoid muscle: Origin, insertion, innervation, function

Deltoid (Front, Lateral, Rear) Anatomy, Location, Function

Deltoid Intramuscular injection - Everything You Need To

The deltoid muscle is located on the outer aspect of the shoulder and is recognized by its triangular shape. ^ the anatomy of the shoulder muscles: A posterior deltoid tear can occur suddenly from an overload on or overstretch of the muscle. The three heads of the deltoid are the anterior, The major muscle group of the shoulder is the deltoid group. The clavodeltoid originates from the clavicle and inserts on the ulna. This muscle flexes the forearm. The acromiodeltoid lies posterior to the clavodeltoid. It arises from the acromion process of the scapula and inserts on the spinodeltoid muscle Deltoid muscle 2. Coracoacromial ligament 3. Subacromial (subdeltoid) bursa 4. Supraspinatus muscle & tendon . 20 Inferiorly: • The least supported part of the joint lies in the inferior location, where it is unprotected by muscles. 25 DISLOCATIONS OF THE SHOULDER JOINT Anterior-Inferior Dislocatio From superior to inferior, the muscles that attach at these impressions are three of the rotator cuff muscles: supraspinatus, infraspinatus, and; teres minor. The lateral aspect of the greater tubercle is covered by the deltoid muscle, which gives the shoulder its usual rounded shape

Deltoid Shear & Rotator Cuff Tendinopathy. Ideal shoulder girdle balance requires that some muscles act as stabilizers and others as mobilizers, depending on joint position and movement required for the particular task. A perfect balance of mobilizers and stabilizers results in optimal alignment, or joint centration Deltoid strain is characterized by sudden and sharp pain at the location of the injury. While symptoms vary, you would likely experience intense soreness and pain when lifting the arm out to the side, and/or tenderness and swelling of the deltoid muscle. The grades of deltoid strain are described below: Grade 1. Tightness in the muscles

Anatomically safe sites for intramuscular injections: a

The most common symptoms of a torn shoulder labrum are: shoulder pain, instability and, in some cases, a feeling of grinding, locking or catching while moving the shoulder. These symptoms may vary depending on the type of labral tear a person has M.C. Huguelet An anatomical illustration showing many muscles in the upper body, including the deltoid, an abductor muscle. An abductor muscle is any muscle which moves a body part away from the body's midline or sagittal plane — the artificial division separating the body vertically into right and left halves. . This type of movement is known as abduct The deltoid muscle can be an alternative vaccination route for children in spica casts. If using this site, it is important to avoid the radial nerve. This is located superficially near the deltoid in children <12 months of age

Deltoid Muscle: Location and Actions

There are 10 muscles and 11 shoulder tendons related to shoulder mobility. The shoulder muscles and shoulder tendons involved with shoulder mobility include the four rotator cuff muscle and tendon pairs: the supraspinatus, the infraspinatus, the teres minor and the subscapularis. These are located in the shoulder blade area, and each related tendon also attaches to the humerus Deltoid Site. Ventrogluteal Site. The age of your patient/client may determine which site is used: Infants under 12 months of age: vastus lateralis is recommended due to large muscle size. (The deltoid is NOT recommended. If an alternative to the vastus lateralis needs to be used, the ventrogluteal site is an option if

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Yet another deciding factor in vaccine administration location is the size of the muscle. Adults and children ages three and older tend to receive vaccines in their upper arm in the deltoid. Younger children receive their vaccines mid-thigh because their arm muscles are smaller and less developed Deltoid Muscle. - See: Shoulder Abductors. - Discussion: - major function of the deltoid muscle is to abduct arm; - it performs this action after scapula [scapula has been fixed by its stabilizing muscles and the humeral head has been. snubbed to glenoid by the rotator cuff; - it is innervated by axillary nerve ( C5 ); - Anterior Division

The position of the axillary nerve in the deltoid muscle

The deltoid is a fascinating muscle with a significant role in shoulder function. It is comprised of three distinct portions (anterior or clavicular, middle or acromial, and posterior or spinal) and acts mainly as an abductor of the shoulder and stabilizer of the humeral head. Deltoid tears are not infrequently associated with large or massive rotator cuff tears and may further jeopardize. A muscle that has more than one attachment at locations that do not move, called origins, and only one attachment at the location that does move, called the insertion, is said to have more than one head.The term biceps means two heads; the term triceps means three heads; and the term quadriceps means four heads Perform 2 sets of 10 to 12 reps each with proper rest in between. 2. Standing Arnold Press. Standing Arnold press is one of the best deltoid exercises that will help in building massive shoulders. It isolates all the 3 deltoid muscles effectively and helps in muscle building

Muscle Facts - Anatomy & Physiology 201 with Yelitza

Deltoid Muscle Action, Origin & Insertion Deltoid Muscle

The posterior deltoids are primarily in use with exercises that bring your arms behind you (i.e. reverse flys). Note: The posterior deltoids are stabilizer muscles for the front and middle delts during pressing movements. For example, when you do an overhead press, your posterior deltoid is acting as a stabilizer The deltoid is that big upside-down triangle of a muscle group that starts at the top of the shoulder and goes down to almost point at the triceps. The deltoid is a grouping of three separate, but interconnected bands: the lateral, anterior, and posterior deltoid. The name deltoid is derived from the Greek letter delta, which looks like a triangle Name the muscle, A: (Action), O: (Origin), and I: (Insertion) PLATYSMA - A: (Action) Draws lower lip and angle of mouth downward in expressions of horror or surprise; may aid in opening mouth widely; O: (Origin) Fascia of deltoid and pectoralis major; I: (Insertion) Mandible; skin and subcutaneous tissue of lower face Name the muscle, A. Your rear delts aren't exactly a muscle group that are talked about as frequently as, say, your core and your glutes. But that doesn't mean it isn't just as important to keep them strong. They're r The deltoid muscle contraction happens when the weight is pulled upwards or away from the shoulder around the rotator cuffs. Deltoid Muscles Anatomy. 1. Anterior. Anterior Deltoids are located at the front of the shoulder. Also called front deltoids, get engaged when the shoulder movement is pushing up and forward

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To continue, cat's have three different muscles that make up the deltoid muscle; acromiodeltoid, clavodeltoid, and spinodeltoid. Whereas humans only have one deltoid muscle. However, there are many similarities, some of the major differences include the separate deltoid muscles and that cats do not have flexor pollicis longus/extensor pollicis brevis muscles as humans do Rupture or dehiscence of the deltoid muscle at the acromial origin is a well-recognized complication following open rotator cuff repair or open acromioplasty [].However, tears of the deltoid muscle or tendon associated with rotator cuff tears in patients without prior surgical intervention are quite rare, with a small number of case reports [2-8] and one series of three patients [] in the. Electromyographic Analysis of the Rotator Cuff and Deltoid Musculature During Common Shoulder External Rotation Exercises Michael M. Reinold, DPT, ATC1 Kevin E. Wilk, PT2 Glenn S. Fleisig, PhD3 Nigel Zheng, PhD4 Steven W. Barrentine, MS5 Terri Chmielewski, PT, PhD6 Rayden C. Cody, MD7 Gene G. Jameson, MA5 James R. Andrews, MD8 Study Design: Prospective single-group repeated-measures design This quiz is incomplete! To play this quiz, please finish editing it. 26 Questions Show answers. Question - The deltoid site for injection is halfway between the acromion and the deltoid tuberosity, in the middle of the muscle (triangle). - More than 1 vaccine may be given into the deltoid muscle ensuring the deltoid mass is adequate and each vaccine is separated by 2.5cm. Incorrect vaccine techniques — too high and too lo