ScrumTruk gluteal and quadriceps strength builder

ScrumTruk rugby strength builder being used outdoors - note player has head up, eyes front Originally conceived as a machine for developing the pushing power of rugby forwards, the ScrumTruk has proven to have much wider functionality. It is routinely used for enhancing the basic strength, muscle mass and explosiveness of rugby players, both back and forwards, from schoolboy to international level. But, in addition, it has replaced or complemented the barbell squat in the weights programs of world standard rowers, national representative basketballers, and elite athletes in other sports.

The two most important distinguishing features of the ScrumTruk are the horizontal pushing position of the athlete and the use of MyoQuip's patented QuadTorq technology, ensuring constantly increasing resistance throughout the exercise movement.

The ScrumTruk has proven to be a very effective alternative or complement to the barbell squat in building strength in the gluteal and quadriceps muscle groups.

The photo below shows the correct starting position for operating the ScrumTruk. Note that hip and knee joint starting angles below 90° can be used if a greater range of movement is desired.

Starting position for ScrumTruk - note back and shanks parallel to ground - hip and knee joint angles at 90 degrees

Starting position for ScrumTruk - note back and shanks remain parallel to ground - hip and knee joint angles at 90 degrees

Unique features and performance characteristics of the ScrumTruk:

Gravitational effect on the horizontal trunk causes moderate curvature of the lower spine similar to its alignment when standing erect.

Comfortable and natural body position throughout the full range of movement ensuring no adverse loading on spine, hips or knees.

Horizontal trunk position triggers isometric contraction of the stabilising muscles of the pelvic and abdominal regions.

Intermediate position for ScrumTruk - note back and shanks remain parallel to ground - hip and knee joint angles change at same rate

Intuitive operation - athletes do not need to be supervised or spend considerable time mastering a complicated movement.

Exercise can be performed without discomfort even by athletes who cannot squat because of back problems.

Provides Full-Range Effective Activation (FREA) of leg extensors from start to lock-out.

Synchronicity of hip and knee joint angles ensures appropriate distribution of effort between gluteus maximus and quadriceps muscles.

Strongly activates the gastrocnemius and soleus muscles of the calf.

Involves significant dorsiflexion and plantarflexion of the ankle joint.

Finishing position for ScrumTruk - note back and shanks remain parallel - strong activation of gastrocnemius and soleus muscles of the calf

No adverse consequences from attempting to use excessive weight - athlete cannot be trapped under heavy load unlike barbell squat or 45° leg press

No need for spotters when attempting near-limit efforts.

"ScrumTruk provides a specificity of training off the field that enhances performance on it. ... Having utilised ScrumTruk in my training programmes for the last 3 years, I thoroughly recommend its value."

Bob Egerton Wallaby; Head Coach, Sydney Grammar School First XV

"Gluteal strength and forceful hip movement are essential factors in developing boat speed for rowing. The ScrumTruk facilitates power gains, in these areas, in a controlled environment. I would recommend the ScrumTruk to anyone wishing to develop superior power."

Marty Rabjohns Director of Rowing, The University of Sydney; Cox, Australian Senior Eight

For a comparison of ScrumTruk with conventional strength-increasing exercises click here

For discussion of ScrumTruk as a rugby-specific apparatus click here

If you are located outside Australia please email Bruce Ross to obtain a quotation in your own currency including shipment options.

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