SUBJECTIVE ASSESSMENT:

-sudden onset of back pain

-MOI Type I: terminal swing, sprinting, biceps femoris, eccentric contraction

-MOI Type II: end of range, over-stretched, semimembranosus, longer to heal

-risk factor: short muscle fibre fascicles, decreased strength, previous hamstring injury

TESTS:

-palpation

-SLR

-isometric knee flexion

-single leg bridge, bridge, modified single leg bridge

-Slump test

-90/90

PROGNOSIS:

-pain with normal walking=> likely to have more than 3 weeks of rehab

-pain free jogging within 1-2 days => < 2 weeks for return to sport

-pain free jogging within 3-5 days => > 2 weeks for return to sport

-Pain free jogging > 5 days => >4 weeks until return to sport