Analisis Kekuatan Kontraksi Otot Rectus Abdominis Pada Gerakan Sit-Up dengan Menggunakan Sinyal Elektromiogram

Rusli Rusli(1*), Sarifin Sarifin(2), Arimbi Arimbi(3),

(1) Universitas Negeri Makassar
(2) Universitas Negeri Makassar
(3) Universitas Negeri Makassar
(*) Corresponding Author



Abstract


Abstrak. Penelitian ini bertujuan untuk menganalisis sinyal elektromiogram otot pada saat melakukan gerakan sit-up. Subjek dalam penelitian ini atlet cabang olahraga sepaktakraw. Pengukuran sinyal EMG menggunakan alat trigno™ wireless EMG system. Output data berupa hasil sinyal EMG, nilai root mean square dari komponen otot yang diukur. Teknik analisis data menggunakan dekriptif kuantitatif. Hasil pengukuran sinyal EMG dari gerakan sit-up menghasilkan nilai RMS dari otot yang di ukur pada penelitian ini adalah sebagai berikut: left semitendinosus nilai terbesar 0,32714 mV dan terkecil -0,02400 mV dengan nilai RMS 60,8414 dan right semitendinosus menghasilkan nilai sinyal EMG terbesar 0,21585 mV dan nilai terkecil -0,06177 mV dengan nilai RMS 110,591. kesimpulan:  otot yang menghasilkan sinyal EMG otot tertinggi dari gerakan sit-up terdapat pada otot right rectus abdominis dan otot left rectus abdominis.

 

Kata Kunci: Otot, Semitendinosus, Sit-Up

 


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References


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