Muscle lengthens while contracting, developing tension as when the muscles oppose the force of gravity.
A dynamic muscle contraction that produces tension (force) while lengthening.
A muscle contraction in which the muscle gradually lengthens while combating the pull of gravity.
Eccentric contraction is one in which the muscle lengthens as it is contracted.
Eccentric contraction occurs when a muscle lengthens and contracts at the same time, gradually allowing a force to overcome muscular resistance. For example, the biceps contracts eccentrically during the lowering phase of a biceps curl.