deltoid


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deltoid

[′del‚tȯid]
(anatomy)
The large triangular shoulder muscle; originates on the pectoral girdle and inserts on the humerus.
(biology)
Triangular in shape.
(mathematics)
The plane curve traced by a point on a circle while the circle rolls along the inside of another circle whose radius is three times as great.
A concave quadrilateral with two pairs of adjacent equal sides. Also known as Steiner's hypocycloid tricuspid.
References in periodicals archive ?
Also, NMES was applied to supraspinatus, upper trapezius, and posterior deltoid muscles of the hemiplegic side for 60 min/session in a day, and five days a week for four weeks (a total of 20 sessions).
Prime movers- Deltoid and Pectoralis Major (clavicular head).
The anterior deltoid showed similar muscle activity values of the pectoralis major for the bench press [Smith Machine, 52.
The bifurcation of the axillary nerve into anterior and posterior branches may occur within the quadrilateral space or within the deltoid muscle.
and deltoid bursitis, or frozen shoulder, characterised by shoulder pain and loss of motion.
One of the 13 patients in the 2010 case series by Atanasoff et al underwent arthroscopic shoulder repair during which the surgeons explored the deltoid needle trajectory (as identified by the patient).
For example, when the deltoid contracts to abduct the humerus, its line of pull would pull the head of the humerus straight up into the acromion (Figure 8A).
Using this special technique and a reversed total shoulder design, one can improve the stability of the shoulder and enable the deltoid muscle to power it, even in the absence of a normal rotator cuff.
Interventions included LC on both the infraspinatus and posterior deltoid muscles for the LC group, and passive cross-body stretch for the stretching group.
Due to easy access, patient comfort, and decreased risk for injury, IM injections into the deltoid muscle are the most frequently recommended for administering vaccines (CDC, 2011; WHO, 2009).
Therefore, the present study aimed to measure EMG activity of the three portions of the deltoid (anterior, medial and posterior) and to compare them in eight different upper limb strength training exercises.
2% were not sure about the correct place of injection in the deltoid muscle, 48.