From:  Acute management of recurrent exercise-associated muscle spasms via dry needling in a Division I basketball athlete: a case report

 Diagnostic test results of initial sideline evaluation.

Test NameResultsNormal RangeInterpretation
SLRProduction of symptoms at 60 degrees80–90 degreesReproduction of local pain and decreased tolerance to muscle lengthening. Positive hamstring muscle guarding and decreased range of motion.
Supine hamstring MMT4+/5 MMT with reproduction of symptoms at > 3 seconds of isometric contraction.5/5 MMT, pain-free.Strength has been preserved, with a reported cramping sensation with prolonged contraction.
Sidelying adductor MMT4+/5 MMT with reproduction of symptoms at > 3 seconds of isometric contraction.5/5 MMT, pain-free.Strength has been preserved, with a reported cramping sensation with prolonged contraction.
ObservationNo obvious swelling, deformity, or bruising. Athlete was able to self-ambulate. Palpable muscle knot/cramp in the AM.No obvious swelling, deformity, or bruising. Athlete was able to self-ambulate.Local cramping of the hamstring portion of the AM.

AM: adductor magnus; MMT: manual muscle test; SLR: straight leg raise.