| Aparicio et al.7 | Pre-test-Immediately-post-test Finger-floor test, SLRT Popliteal angle test | IG: 34 (22 ± 4y) SIT CG: 34 (22 ± 3 y) Joint articulation technique of the nose | N: 68 Hamstring shortness M/F: 47/23 | Hamstring elasticity Back myofascial Line | The suboccipital inhibition technique increases the flexibility of the hamstrings and may enable the therapist to affect more distant areas with this technique. |
| Hyong et al.8 | Pre-test-Immediately-post-test Cervical ROM (goniometer) Balance (Stability test) | IG: 30 (20.66 y) Hamstring and ankle dorsiflexion stretching CG: 30 (20.60y) Same treatment without ankle dorsiflexion | N: 60 Healthy students M/F: 26/34 | Cervical ROM SBL | Cervical ROM and balance immediately increased in the IG. |
| Grieve et al.9 | Pre-test-Immediately-post-test SAR The Beighton score | IG: 12 SMFR Plantar fascia CG: 12 No therapy | N: 24 Healthy volunteers (28 ± 11 y) M/F: 8/16 | Hamstrings Flexibility SBL | SMFR immediately increases the flexibility of the hamstrings and lower back in SBL. |
| Rodriguez et al.10 | Pre-test-immediately-post-test Vertical mouth opening PPT, suboccipital range of motion, SAR Lumbar forward bending. | IG: 30 (33 ± 9 y) Protocol CG + SIT CG: 30 (36 ± 12 y) Passive stretching Hamstring Neuromuscular technique over the masseter muscles | N: 60 Temporomandibular disorders M/F: 20/40 | Vertical mouth opening | The cumulative effect of combining local and distal techniques does not affect mouth opening in subjects with TMD. |
| Wilke et al.11 | Pre-test-immediately-post-test Ultrasonic 3D movement analysis system | IG1: 21 (38 ± 13) Remote stretching of gastrocnemius and hamstrings IG2: 21 (38 ± 13) Local stretching of the cervical CG: 21 (31±13) Inactive | N: 63 Healthy participants M/F: 31/32 | Cervical ROM SBL | Remote static stretching may immediately improve flexibility in cervical. The transmission of tension with myofascial pathways is a plausible explanation for the findings of this research. However, the influence of other structures such as peripheral nerves cannot be excluded. |
| Jung et al.14 | Pre-test-3 days-post-test SRT AROM PROM PPT (algometer) | G1: 22 (22 ± 2) SMFR suboccipital G2: 22 SMFR hamstring G3: 22 SMFR plantar regions | N: 22 Adult subjects M/F: 14/8 Cross-sectional design | Hamstring flexibility SBL | SMFR easily reduces pain and maintains flexibility, and can be performed anytime, anywhere. |
| Joshi et al.15 | Pre-test-2 weeks-post-test SAR Passive Knee Extension Angle | G1: 19 (23 ± 2 y) Hamstring Static Stretching G2: 20 (22 ± 1 y) MFR Plantar Fascia and Suboccipital G3:19 (21 ± 1 y) Combination | N: 58 Healthy people M/F: 16/42 | Hamstring flexibility SBL | A significant improvement in hamstring flexibility was observed in three groups, but more improvement was achieved in the consolidation group. |
| Do et al.16 | Pre-test-Immediately-post-test Toe Touch test and PSLR | IG: 15 (30±5 y) SMFR to the plantar fascia SG: 16 (23 ± 4 y) Passive mobilization of the ankle joint | N: 31 Healthy adults M/F: 19/12 | Hamstring and lumbar spine SBL | The results of this study showed that the release of plantar fascia is immediately effective for improving the flexibility of the lumbar spine and hamstrings. |
| Jeong et al.17 | Pre-test-Immediately/next day-post-test SLR CROM Popliteal angle Cranio-vertebral angle | G1: 10 (41 ± 13 y) SMI G2: 10 (39 ± 13 y) Cranio-cervical flexion exercise | N: 20 Neck pain M/F: | Hamstring ROM SBL | Both groups improve all of test results and are equally effective in immediately increasing hamstring flexibility, Cranio-vertebral angle, and CROM in subjects with neck pain. |
| Cathcart et al.18 | Pre-test-Immediately-post-test PPT (Algometer) ROM (Inclinometer) Interoceptive sensitivity (Biopac) | IG: 12 (23±7 y) MFR thoracic erector spinae (T6-T12) CG: 12 Lying supine and unilateral touch SG: 12 Not active touch | N: 12 Healthy subjects M/F: 7/5 | Lower limb and cervical | The increase in PPT and ROM (both local and distal) suggests that MFR may have caused a biomechanical change in tissue tension that increases tissue flexibility. |
| Williams et al.19 | Pre-test-Immediately-post-test SAR | G1: 15 (21 ± 1 y) MFR hamstring G2: 15 MFR plantar G3: 15 Both intervention | N: 15 Collegiate students M/F: 5/10 Crossover Study | Hamstring ROM SBL | SMFR may improve ROM, but one SMR technique does not appear to be superior to another. |
| Martínez et al.20 | Pre-test-immediately/next day-post-test SLR SAR Cervical flexion range of motion (goniometer) | IG: 34 (21 ± 1 y) MFR on posterior thigh CG:34 (20 ± 1 y) (Placebo) Forearm release | N: 68 Female university students | Hamstring and Cervical ROM SBL | MFR immediately increases hamstring ROM locally and neck ROM non-locally. The ROM of the neck decreased one day later. Therefore, more studies are needed. |
| Kang et al.21 | Pre-test-immediately/next day-post-test ROM of dorsiflexion Lunge angle Single Leg Balance Test were assessed, and a single leg balance test (SLBT) | G1: 20 (37 ± 7 y) 4-min SMI G2: 20 (36 ± 6 y) 8-min SMI G3: 20 (37 ± 5 y) 4-min sham-SMI G4: 20 (37 ± 5 y) 8-min sham-SMI | N: 80 Healthy adults M/F: 44/36 | ROM Ankle joint Lunge angle Balance | The SMI in 4 and 8 minutes, can be an effective tool for improving ROM, Lunge angle and balance. |
| Fauris et al.22 | Pre-test-0/5, 2, 5 and 10 min-post-test Modified SAR Dorsiflexion lunge test (DF-lunge) VAS | IG 1: 16 (25 ± 7 y) Plantar fascia IG 2: 18 (24 ± 5 y) Sural fascia IG 3: 15 (23 ± 5 y) Crural fascia IG 4: 15 (23 ± 4 y) Thoracolumbar fasciae IG 5: 15 (23 ± 6 y) Epicranial aponeurosis CG: 15 (26 ± 6 y) None | N: 94 Volunteers M/F: 52/42 | Hamstring flexibility SBL | The SBL may be considered a functional construct, and SMR to either segment can improve hamstring flexibility and ankle dorsiflexion. |
| Joshi et al.23 | Pre-test-4 weeks-post-test NPRS Modified Schober’s Test Oswestry Disability Index SF-36 questionnaire | G1: 15 (34 ± 9 y) SIT, interferential therapy and exercise G2: 15 (42 ± 10 y) Interferential therapy and exercise G3: 15 (38 ± 7 y) Exercise | N: 45 LBP M/F: - | Lumbar SBL | SIT combined with interferential treatment and exercises have better than interventional treatment and exercises alone in patients with LBP. |
| Jeong et al.24 | Pre-test-immediately/next day-post-test SLR Cranio-vertebral angle CROM | G1: 32 (35 ± 13 y) Static stretching hamstring G2: 32 (30 ± 9 y) PNF hamstring | N: 64 Neck pain M/F: 34/30 | CROM SBL | SLR, Cranio-vertebral angle, and CROM improved significantly within the groups after a one-session intervention. |
| Tamartash et al.25 | Pre-test-4 sessions-post-test Numeric Pain Scale Ultrasonography | IG: 16 (40 ± 5 y) MFR Crural fascia and hamstring CG: 16 (40 ± 4 y) MFR lumbar region | N: 32 Nonspecific LBP M/F: 16/16 | Changes in the Elastic Modulus and Pain Severity of lumbar. SBL | Remote MFR is effective in patients with chronic nonspecific LBP. |
| Ersin et al.26 | Pre-test-4 Weeks-post-test AKE Self-reported hamstring pain intensity was evaluated with a VAS | IG: 60 (26 ± 5 y) Home-based thoracic mobilization exercise for 4 weeks CG: 60 (25 ± 5 y) Active-assisted stretching of the hamstring | N: 120 Healthy subjects M/F: 37/83 | Hamstring flexibility SBL | Thoracic mobilization exercises may increase hamstring flexibility and decrease pain intensity during hamstring stretching exercises. |
| Bali et al.27 | Pre-test-4 Weeks-post-test PPT, Muscle strength, Cervical ROM, pain and Disability variables | IG: 17 (43 ± 8 y) MFR four fascia lines of the arm CG: 17 (46 ± 10) Exercise (stretching and strengthening) | N: 34 Cervical radiculopathy M/F: 10/24 | Cervical Four fascia lines of the arm | Cervical radiculopathy symptoms may improve after using myofascial release techniques. |