Isometric contraction exercise apparatus having a rotatable upper member for adjusting the length of the conecting cords

• 1. 一种用于训练器械构件的长度调节器 [P] . 中国专利： CN107694022A . 2018-02-16
• 2. 一种用于训练器械构件的长度调节器 [P] . 中国专利： CN207401056U . 2018.05.25
• 3. Isometric contraction exercise apparatus [P] . 美国专利： US3119614A . 1964-01-28

  机译： 等距收缩健身器材

• 4. Training equipment for isometric strength exercise, comprises barbell having electronic evaluation of maximum worked strength, where force is measured on platform, and power transmission takes place by adjustment in length of chain [P] . 瑞士专利： CH703458A2 . 2012-01-31

  机译： 用于等距力量锻炼的训练设备，包括对最大工作强度进行电子评估的杠铃，其中在平台上测量力，并通过调节链长来进行动力传输

• 5. Auxiliary tool for isometric contraction exercise [P] . 日本专利： JP3214352U . 2018-01-11

  机译： 等距收缩运动的辅助工具

• 1. Normal values for median frequency in upper extremity muscles during isometric contraction at 50 of maximal voluntary contraction [C] . Maniar, R.M., Reisman, . 1995
• 2. Cardiovascular adjustments to isometric contractions: The role of intensity of contraction, endurance time, and different muscle groups. [D] . Meirelles, Eduardo Leal. 1995
• 3. Fatiguing effects of indirect vibration stimulation in upper limb muscles: pre post and during isometric contractions superimposed on upper limb vibration [O] . Amit N. Pujari, Richard D. Neilson, Marco Cardinale 2019
• 4. Figure 4: Tibialis anterior muscle length changes during isometric dorsiflexion contractions as a function of contraction intensity ( of maximal voluntary isometric contraction). [O] . -1