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  • greg6666
    Participant
    Post count: 2

    Hi Doctor,
    I had c5 c6 c7 acdf surgery this year in May for right arm bicep weakness and brachioradialias atrophy and weakness, arm strength was 3/5 before the operation, my arm strength is slowly improving 5 months later but on a recent mri I have a bulging disc at c5 nerve root with impingement, I know that the biceps and brachioradialis has double nerve innervation from c5 and c6 nerve but which nerve gives the biceps and brachioradialis the most strength?

    Thanks
    Greg

    Donald Corenman, MD, DC
    Moderator
    Post count: 8660

    Generally, the C6 nerve gives the biceps and brachioradialis the majority of innervation while the C5 nerve (from the C4-5 level) supplies the deltoid muscle.

    Dr. Corenman

    PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
     
    Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.
    greg6666
    Participant
    Post count: 2

    Thanks for the quick reply doctor

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