Flexor Digitorum Superficialis
The flexor digitorum superficialis originates in the forearm and its predominant function is to flex the MCP and PIP joints. The superficialis fist position — MCP and PIP flexed with DIP extended — biases the FDS more than other flexor ten…
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The flexor digitorum superficialis originates in the forearm and its predominant function is to flex the MCP and PIP joints. The superficialis fist position — MCP and PIP flexed with DIP extended — biases the FDS more than other flexor tendons. Keeping the MCP joints extended during FDP gliding limits how far the flexor digitorum superficialis moves.