Katoloso ea morao ke boikoetliso bo sebelisetsoang ho haha matla a ka tlase a mokokotlo hape a shebileng hamstrings le glutes. The Hammer Strength Pin Loaded Selection Back Extension ke karolo ea mantlha ea koetliso ea matla. Ho na le mokhoa oa ho qala o nang le maemo a mahlano bakeng sa khetho ea motho ka mong, lumbar pad e thusa basebelisi ho fumana boemo ba axis ea ho potoloha, le maemo a mabeli a sa thelleng a lekanang le boholo bohle.