Exercise devices – User manipulated force resisting apparatus – component... – Having common force transmitting support frame for user and...
Patent
1990-07-27
1992-08-04
Bahr, Robert
Exercise devices
User manipulated force resisting apparatus, component...
Having common force transmitting support frame for user and...
482 79, 482100, 482134, A63B 2100
Patent
active
051354578
ABSTRACT:
A calf exercise machine to develop the muscles with a plantarflexion movement and dorsiflexion movement. The main muscles involved in these two movements while the subject is using the machine are the soleus and the tibialis anterior. The soleus muscle is isolated in this machine by bending the knee to place that muscle in a bio-mechanically advantageous position. During plantarflexion movement, the angle between the tibia and femur muscle is kept to a minimum. The bottom of the subject's foot pushes against a leverage arm to contract the soleus muscle. During dorsiflexion, the subject's foot moves the leverage arm back to the starting position of the exercise.
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