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What is Flexion of metacarpophalangeal joint is produced by? and explain in detail?
Ans. is 'd' i.e., All of the aboveMetacarpophalangeal joints o These are ellipsoid joints between head of metacarpals and base of proximal phalanx. Movement at MCP joints are flexion, extension, abduction and adduction.Movement Muscles producing movementsFlexion Main muscles :- The lumbricals and the interossei. Suppoive :- Flexor digitorum profundus and superficialis.Extension Main muscles :- Extensor digitorum.Suppoive muscles :-Extensor indicis (for index finger), Extensor digiti minimi (for little finger)Adduction Palmar interosseiAbduction Dorsal interosseiImpoant fact MCP joint is functionally an ellipsoid joint, but it is condylar joint structurally.