Closed kinetic chain exercises or closed chain exercises (CKC) are physical exercises performed where the hand (for arm movement) or foot (for leg movement) is fixed in space and cannot move. The extremity remains in constant contact with the immobile surface, usually the ground or the base of a machine.

Closed Kinetic Chain (CKC) exercises or closed chain exercises are exercises or movements where the distal aspect of the extremity is fixed to an object that is stationary. With the distal part fixed, movement at any one joint in the kinetic chain requires motion as well at the other joints in the kinetic chain, therefore, both proximal and ...

竺韵华光，新岁绮梦；2025，共筑宏图！ 竺可桢学院办学40周年高质量发展...

Group 1 used CKC exercises to strengthen their quadriceps while group 2 carried out quadriceps strengthening through combined OKC and CKC. Subjects began their specific treatment protocol the day after their reconstruction.

2012年9月7日 · 研究认为 CKC训练的好处来自股四头肌、腘绳肌和腓肠肌的协同收缩，在胫骨和腓骨间的剪切力减少，关节挤压力增加，因此会提高关节稳定性、保护移植物[26,27] Fitzgerald [22]强调一个不同的观念，认为在OKC训练和CKC训练之间最关键的不同点不是运动序列而是传递到膝关节的负荷。 在良好控制的而非过于激进的训练负荷下，OKC训练显得同CKC训练一样安全。 这一发现使 Perry及其同事[28]假设CKC和OKC训练之间结果的不同是与训练量的不同相 …

There is no consensus on whether closed kinetic chain (CKC) or open kinetic chain (OKC) exercises should be the intervention of choice following an anterior cruciate ligament (ACL) injury or reconstruction. A systematic search identified randomized ...

CKC exercises activate antagonistic muscle groups across multiple joints and therefore cannot be used to isolate or examine a single muscle group 9, 12, 14). Examples of CKC exercises include push-ups, pullups, squats, and lunges. All types of CKC exercises may be performed with or without weights 10). Conversely, OKC exercises isolate specific ...

中国卡丁车锦标赛（ckc）是中国汽联于1997年创立的全国卡丁车锦标赛，每年一届，分为3个组别进行比赛。 首届全国性的卡丁车锦标赛，吸引了众多的卡丁好手参赛。

精確度高，往復誤差小於±1%以下; AH3- 使用接合器(Type Y-40)即可將標準露出安裝型轉變為埋入安裝型; 具有CE認證

2023年7月26日 · 中国卡丁车锦标赛（China Karting Championship,CKC）是中国汽联于1997年创立的全国卡丁车锦标赛，每年一届； 分为3个组别进行比赛： 国际A级、国家级和国际A级少年组 。