deltoid
Arm-raising muscle
The deltoid is the large triangular muscle that caps the shoulder, responsible for raising the arm.
In anatomy and geometry, deltoid describes anything triangular or delta-shaped: deltoid muscle, deltoid leaf.
The word comes from the Greek letter delta (Δ), which has that shape.
Upper arm joint
- muscleContractile body tissue
- humerusUpper arm's long bone
- clavicleHorizontal bone above ribs
- scapulaPosterior thoracic bone
acromion · insertion · origin · tendon · ligament · anterior · posterior · lateral
Three-sided plane figure
- triangularThree-cornered in form
- equilateralHaving all sides congruent
- isoscelesTwo sides match
- scaleneAll sides unequal
vertex · angles · sides · acute · obtuse · polygon · congruent · geometry
Handheld lifting weights
- barbellWeighted exercise apparatus
- shrugsLifts shoulders briefly
- isolationComplete separation from others
- hypertrophyTissue enlargement via cells
definition · pump · reps · sets · contraction · stabilizer · rehabilitation · mobility
shoulder
Upper arm joint
scapula · acromion · insertion · origin · tendon · ligament · anterior · posterior · lateral · medial
triangle
Three-sided plane figure
- triangularThree-cornered in form
- equilateralHaving all sides congruent
- isoscelesTwo sides match
scalene · vertex · angles · sides · acute · obtuse · polygon · congruent · geometry · perimeter
dumbbells
Handheld lifting weights
- barbellWeighted exercise apparatus
- shrugsLifts shoulders briefly
- isolationComplete separation from others
hypertrophy · definition · pump · reps · sets · contraction · stabilizer · rehabilitation · mobility · strength
leaf-shape
Contour of foliage
- triangularThree-cornered in form
- lobedHaving rounded projections
- venationArrangement of veins
margin · blade · lamina · petiole · apex · base · foliage · morphology · taxonomy · dichotomous
triangular
Three-cornered in form
- wedge-shapedTapering to an edge
- rhomboidTilted parallelogram, unequal sides
- fusiformCigar-shaped, tapered bilaterally
cuneiform · spatulate · sagittal · wing · fin · scale · bone · cartilage · formation
deltoidgluteus
Buttock muscle
quadriceps · gastrocnemius · hamstring · abdominals · soleus
deltoidcompound
Combined into one
triceps · quadriceps · hamstrings · biceps
- deltoid musclesTriangular shoulder muscles