Pneumatic resistance machines can provide eccentric loading.
Roth
Stephen M
SM
Rogers
Marc A
MA
Hurley
Ben F
BF
Martel
Gregory F
GF
D004867:Equipment Design; D004864:Equipment and Supplies; D006801:Humans; D009119:Muscle Contraction; D055435:Myostatin; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism; D016212:Transforming Growth Factor beta / Q000235:genetics; D014481:United States; D014891:Weight Lifting
C525911:MSTN protein, human; D055435:Myostatin; D012333:RNA, Messenger; D016212:Transforming Growth Factor beta