Stretching & Range of Motion
Shoulder Pulleys: Versatility in Musculoskeletal Care
The humble shoulder pulley is a deceptively simple device that offers guided, passive, and active-assisted range of motion (ROM) training. Its core utility is allowing the patient to use their unaffected arm (or gravity) to gently mobilize the injured shoulder, serving as a primary tool in early-stage recovery.
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iStim EV-805 Troubleshooting Guide: Q&A for No Output, Pads, Channels & Settings
The iStim EV-805 is unusual among portable TENS/EMS devices because four independently controlled channels, multiple stimulation modes, and two timer groups create more troubleshooting possibilities than a basic two-channel TENS unit.
How Deep Does NMES Penetrate? Electrode Size and Current
Surface NMES does not have a universal penetration depth in inches or centimeters. Current amplitude, electrode geometry, placement, and the tissues beneath the pads all influence which nerves are recruited. There is no dependable conversion such as “20 mA reaches one inch” or “doubling pad size doubles depth.”
Can NMES Reach the Lumbar Multifidus? Electrical Stimulation, Electrode Placement & Device Selection
Quick answer: Yes. Surface neuromuscular electrical stimulation (NMES) has been shown in ultrasound studies to produce measurable activation and thickening of the lumbar multifidus in some people. However, a surface stimulator cannot guarantee selective recruitment of the deepest multifidus fibers. Electrode position, pulse characteristics, stimulation intensity, individual anatomy, and tolerance all determine which lumbar muscles are recruited.
Heel Lift Height Chart: Millimeters vs. Inches
A 6 mm lift is not exactly 1/4 inch, and 12 mm is not exactly 1/2 inch. Use our conversion charts to compare adjustment steps, distinguish height from width, and check the intended order.