Answer:

deltoid

Answer	Crossword Clue
DELTOID	Shoulder muscle
DELTOID	Bodybuilder's target
DELTOID	Shoulder target

DELTOID	Triangular.
DELTOID	Shoulder muscle.
DELTOID	Triangular
DELTOID	Bodybuilder's pride
DELTOID	Muscle named for its shape
DELTOID	Arm raiser
DELTOID	Trapezius neighbor
DELTOID	Muscle adjacent to the clavicle