Ortho Oracle - orthopaedic operative atlas

Brachialis Muscle

– Anatomy:     – origin: lower 1/2 of the anterior surface of the humerus;     – insertion: tuberosity and coronoid process of the ulna;     – action: flexes the forearm at the elbow;     – nerve supply: branches of musculocutaneous, C5, C6;     – synergist: brachioradialis, biceps brachi

Brachioradialis

– origin:     – proximal 2/3 of the lateral supracondylar ridge of the humerus and lateral intermuscular septum; – insertion:     – inserts into lateral surface of distal radius, immediately above styloid process; – synergist:  Brachialis ,   biceps brachi ; – nerve supply: radial  –   C6  >   C5 – function: … Read more

Brachial Neuritis

– See: Parsonage-Turner Syndrome: – Discussion:     – characterized by acute or subacute onset of severe pain in neck, arm, & hand along w/ varialble muscle weakness & loss in sensation;     – pain is usually severe and constant and aggravated by moving the arm;     – diff dx: neuropathic disorder     – … Read more

BKA Prosthesis

– See: Prosthetic Feet: – PTB sockets:     – provide some weight bearing support in the area of patella tendon and medial tibial flare; – BKA Suspension:     – important design considerations for both sockets include           – support (pressure distribution)           – control (based … Read more

Biceps Tendonitis – Tendonopathy

– See: Proximal Biceps Tendon Rupture: and SLAP tear and arthroscopic rotator cuff repair – Discussion:     – inflammation of long head of biceps tendon usually occurs w/ rotator cuff inflammation (esp subscapular tears);     – clinically, it may be difficult to differentiate the pain patterns of rotator cuff and biceps tendon inflammation;         … Read more

Bier Block Anesthesia

– Discussion:     – indicated for fractures of the forearm, wrist, and hand;     – bier block is not appropriate for fractures about the elbow, and may not be appropriate in patients with excessive obesity (w/ a large fatty arm); – Precautions:     – prior to performing the Bier block, be sure that … Read more

Below-Elbow Amputation

– See: Upper Extremity Prosthetics: – Discussion:     – below-elbow amputation is extremely functional, and successful prosthetic rehabilitation and sustained use are achieved in 70% to 80% of patients;     – forearm rotation and strength are proportional to length retained; – Long Below Elbow Stumps:     – in long elbow stump w/ … Read more