Penjahit merupakan salah satu pekerjaan yang banyak ditekuni oleh masyarakat Bali. Namun, penjahit jarang memperhatikan postur kerja saat menjahit. Hal ini dapat dapat menyebabkan myofascial pain syndrome otot upper trapezius jika dilakukan dalam jangka waktu lama. Tujuan dari penelitian ini adalah untuk mengetahui hubungan postur kerja saat menjahit dengan terjadinya myofascial pain syndrome otot upper trapezius pada penjahit di Kecak Garmen. Penelitian ini merupakan penelitian analitik dengan rancangan cross- sectional. Pengambilan sampel dilakukan dengan teknik Simple Random Sampling. Jumlah sampel penelitian ini sebanyak 70 orang. Data dianalisis menggunakan Chi-Square Test dan memiliki hubungan signifikansi dengan nilai p sebesar 0,000 (p<0,05). Kesimpulan dari penelitian ini bahwa ada hubungan yang signifikan postur kerja saat menjahit dengan terjadinya myofascial pain syndrome otot upper trapezius pada penjahit di Kecak Garmen. Kata Kunci : Postur Kerja, Penjahit, Myofascial Pain Syndrome, Upper Trapezius

Individual that greater use of information and communication technologies such as computer, smartphone, or other media has the tendency failure of body postures. Laptop usage has been associated with adolescent neck pain, with daily use of computers exceeding 2-3 hours as a threshold to forward head posture. Forward head posture can affect the result of reducing cervical alignment and mobility of the neck. There are exercises that intention to improving the cervical alignment and mobility, particularly sling-based manual therapy and stabilization exercise. A sling device provide the research subject with optimal loading of each target segment, in actual neutral position, and an environment for exercise in a closed kinetic chain. Spinal mobilization techniques used in manual spinal treatment activate the descending pathway from the peritubular gray region (PAG) of the midbrain. Moreover, stabilization exercise affect postural control through concurrent contractions of the agonist and antagonist muscles to improving cervical alignment and mobility. Key Words: Sling; Manual Therapy; Stabilization Exercise; Cervical Alignment; Cervical Mobility; Forward Head Posture

The performance of runners is related to the anaerobic threshold level. Anaerobic threshold plays an important role in runner’s endurance. Anaerobic threshold value is also closely related to the level of runner’s fatigue when doing physical exercise or when competing for a long time. If the body’s endurance level cannot withstand the activities carried out, it will give a negative effect on their performance. There are exercises that aim to increase the anaerobic threshold value, namely high intensity interval training and blood flow restriction training. High intensity interval training can increase the anaerobic value through the mechanism of provide a high stimulus to anaerobic glycolytic and carbonic anhydrase reaction with formation (H+) that improved buffering capacity. Addition of blood flood restriction training by using limb occlusion pressure causes local hypoxia, so it will increase muscle metabolic demand. It will induce metabolic acidosis with increased hydrogen ions and lactate production. Key Words: High Intesity Interval Training; Blood Flow Restriction; Anaerobic Threshold; Anaerobic Capacity; Runners

Introduction: The most common trouble when doing task is work related neck pain. Neck pain can have negative effect on workers related to the resulting work productivity. To conquer this, there is deep cervical flexor training with feedback training to solve that problems. This study aims to find out whether deep cervical flexor training with feedback is powerful in reducing pain and disability the work-related neck pain. Methods: This study using a literature review by conducting data studies related to deep cervical flexor training with feedback, neck pain, and working. The initial search in 4 databases found a total of 36 articles. After the selection using inclusion and exclusion criteria obtained 28 articles. Results: Based on some literature, it shows that deep cervical flexor training with feedback aims to activate the deep cervical flexor muscle effectively in reducing pain through the release of endorphins and decreasing pain and changes in muscle function have an effect on reducing disability in work related neck pain. Conclusion: Providing deep cervical flexor training with feedback is powerful in decreasing the level of pain and disability in work-related neck pain.

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