The reviewers found
few studies evaluating the effectiveness in the ACL rehabilitation process of so - called «open chain» exercises (those which tend to
isolate a single muscle group and a single joint, such as leg curls and leg extensions, with or without added weight) versus «closed chain» exercises (those which work multiple joints and multiple muscle groups at once, such as, for
example, a squat involves the knee, hip and ankle joints, and multiple muscles groups, e.g. quads, hamstrings, hip flexors, calves and glutes, with body weight alone or with added weight).
These
examples show why the electrification plans of the government of Indonesia are multi-dimensional; they include the extension of the existing grid, promoting micro-hydro and off - grid solar technologies as well as solar - diesel or solar - battery hybrids; only in relatively
few cases are
isolated diesel generators the optimal approach.