Questions and Answers (Latest
Update 2026)
agonist -
correct answer ✅muscle that contracts concentrically, i.e. in a
dumbbell curl, the bicep is the prime mover, as it shortens during
the exercise.
antagonist -
correct answer ✅that muscle that opposed the prime mover, i.e.
in a dumbbell curl, tricep is the antagonist, as it lengthens during
the exercise.
stabilizers -
correct answer ✅(fixators) muscles that hold a joint while the
movers produce movement around it; these may contract
isometrically (statically)
flexion -
correct answer ✅decreases angle of a joint
extension -
correct answer ✅increases the angle of a joint
, Youth Fitness Certification Exam
Questions and Answers (Latest
Update 2026)
hyperextension -
correct answer ✅movement that takes a joint past its normal
range of extension
adduction -
correct answer ✅movement of a limb toward from the mid-line of
the body; "adding" to the body
abduction -
correct answer ✅movement of a limb away from the mid-line of
the body
rotation -
correct answer ✅turning movement of a part, usually along its'
long axis
elevation -
correct answer ✅lifting; movement to a superior position
depression -
correct answer ✅lowering; movement to an inferior position