Effect of muscle stretching on tension development and mechanical threshold during contractures.
D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology; D011894:Rana pipiens; D013314:Stress, Mechanical
D011188:Potassium; D002118:Calcium