The use of injectable treatments in the management of acute muscle strains

INTERVENTION: Traumeel injection ‐ ultrasound guided, single, intramuscular injection of 4mL of Traumeel S solution into the muscle tear of the intervention group. Active ingredients of Traumeel: Achillea millefolium (Homeopathic) 1 mg/mL Aconitum napellus (Homeopathic) 600 microgram/mL Arnica montana (Homeopathic) 1 mg/mL Atropa belladonna (Homeopathic) 1 mg/mL Bellis perennis (Homeopathic) 500 microgram/mL Calcium sulfide (Homeopathic) 1 mg/mL Calendula officinalis (Homeopathic) 1 mg/mL Echinacea angustifolia (Homeopathic) 250 microgram/mL Echinacea purpurea (Homeopathic) 250 microgram/mL Hamamelis virginiana (Homeopathic) 100 microgram/mL Hypericum perforatum (Homeopathic) 300 microgram/mL Matricaria chamomilla (Homeopathic) 1 mg/mL Mercury ‐ Hahnemann's soluble (Homeopathic) 500 microgram/mL Symphytum officinale (Homeopathic) 1 mg/mL CONDITION: Hamstring Muscle Strain PRIMARY OUTCOME: Return to Sport ‐ return to full play. ; Participants will be asked to report the date when they returned to full, unhampered training. This date will be reported in terms of days post injury and comparison will be made between treatment and control groups SECONDARY OUTCOME: Active Knee Extension (AKE) test ; Difference in degrees of leg extension between injured and uninjured legs. Analysed using goniometer Isometric resistance hamstring contraction at 30 degrees and 90 degrees of knee flexion. ; Difference in isometric power maintained for 3 seconds between injured and uninjured legs. Analysed using hamstring EFD strength test equipment Straight leg raise (SLR) ; Difference in degrees of leg extension between injured and uninjured legs. Analysed using goniometer INCLUSION CRITERIA: Recreational athletes with acute hamstring injury occurring during explosive activity, within 96 hours of presentation.