M.A.S.S.
Multi
Angular
Strength
Systems

The M.A.S.S. Lower Back Plus
The M.A.S.S. Lower Back Plus-By John Boos -This is an
advanced and evolved back extention machine.
It is similar in appearance, but not in bio-mechanic operation as a commercial
45 degree Hyper-Extention found in the public gym enviroment. The most
evolutionary feature is the Hamstring(posterior femoral) Support apparatus.
This eliminates the negative effect and limiting action that the Hamstrings
generate which dis-allows proper action and bio-mechanical safety in the gluteal and
lumbar-sacral region. The Hamstring support also fully alleviates any anterior cruciate
instability and stress. This adjustable angled model allows three different angles-
45, 30 and 20 degrees.
This machine is targeted for personal trainers with a medical exercise background,
physical therapists with strength training background, and any other Health
Professional with rehab or post rehab interests as well as strength specialists.
Price-$795.00

The M.A.S.S. Squat/Shrug Plus
The M.A.S.S. Squat/Shrug Plus-By John Boos -This exercise
device offers user friendly ease, safety and variability in three exercises of major importance-The Dead Lift Squat, The Stiff
Legged Dead Lift and The Shrug Lift.
First, it allows ease and safety in loading and unloading. Second, it allows numerous
partial range of motions through 10 different range limit handle adjustments, as well as full range of motion. This permits
the deadlift squat or bar held squat to be executed with a precise measurable range and knee joint angle. This feature
permits rehab and post rehab as well as intense power training applications to be applied. Since the range limit is specific, all
progress can be accurately measured. This reveals "joint angle strength" so that more appropriate program design can
be applied. This feature is superb for
truly progressive approaches in strength and rehab exercise. The adjustable handles
also permit the shrug exercise to be performed without bending to lift the bar off the floor.
The handles can be adjusted so the shrug exercise can be performed while seated.
Additional exercises can be executed with safety and ease. For example, just lifting the bar 2" off the floor and holding
with heavy weights until you are no longer capable of holding it. This helps develop a superb grip strength. This
device is targeted for rehab/post rehab, geriatric and power and strength trainers and conditioning coaches.
The Squat/Shrug Plus-Price-$495.00

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