Arm wrestling exerciser

作者: Glenn Alexander

DOI:

关键词:

摘要: An arm exercising device, including a base that clamps on table, plate pivoted upon the base, set of coil springs, between and for resisting from pivoting, long handle attached to plate, being grasped by person, while resting an elbow table attempting pivot against resistance spring.

参考文章(6)
Ugartechea Enrique, Wrist and forearm exerciser ,(1956)
Daniel Lee Birdwell, Spring type exercise device ,(1975)
Charles V. Blackmon, Spring-biased exercise apparatus ,(1978)
Alva H Kirk, Spring-tension device. ,(1908)
S Kallus, M Weiss, Spring-type exercising device ,(1972)