Revitalize Physiotherapy

07/03/2026

Appointments available this morning. Ring our wonderful reception to book on 9306 9266 or book online

https://revitalizephysio.com.au/wanneroo-bookings/

01/03/2026

This posture pattern represents an anterior pelvic tilt, a common biomechanical imbalance in which the front of the pelvis rotates downward (ASIS low) and the back rises (PSIS high). This pelvic orientation increases lumbar lordosis and shifts the body’s center of gravity forward, altering spinal alignment and load distribution.

Biomechanically, this pattern results from predictable muscle imbalances. The iliopsoas and hip flexors become tight and overactive, pulling the pelvis forward. The erector spinae contribute by increasing lumbar extension, reinforcing the exaggerated lower back curve. Meanwhile, the abdominals and gluteal muscles become lengthened and weak, reducing their ability to stabilize the pelvis and control pelvic tilt.

Tight hamstrings often develop as a compensatory response to pelvic positioning. Although commonly perceived as short, they may be under increased tension due to the forward pelvic rotation rather than true shortening. This altered tension affects hip mechanics and can contribute to discomfort during bending or prolonged sitting.

The increased lumbar lordosis elevates compressive forces on posterior spinal elements and increases shear stress at the lumbosacral junction. Over time, this can contribute to lower back pain, facet joint irritation, and inefficient load transfer between the trunk and lower limbs.

Anterior pelvic tilt also affects hip extension during walking and running. Limited hip extension shifts movement demand to the lumbar spine, promoting compensatory motion and reducing movement efficiency.

Restoring balance involves lengthening tight hip flexors and lumbar extensors while strengthening the glutes and deep core stabilizers. Improving pelvic control and postural awareness helps normalize spinal alignment and reduce mechanical stress.

Pelvic alignment shapes spinal health — restore balance, and movement becomes stronger, more efficient, and pain-free.

26/02/2026

25/02/2026

ADHESIVE CAPSULITIS (FROZEN SHOULDER) – BIOMECHANICS EXPLAINED

Adhesive capsulitis is primarily a biomechanical disorder of the glenohumeral joint capsule, where inflammation, fibrosis, and capsular contracture progressively reduce joint play. The normally compliant capsule becomes thickened and adherent to the humeral head, drastically limiting arthrokinematic motion. As capsular elasticity is lost, even low-amplitude movements generate high tensile stress, producing pain and protective muscle guarding.

From a joint mechanics perspective, the inferior and anteroinferior capsule are most critically involved. These regions normally allow inferior glide of the humeral head during shoulder elevation. In frozen shoulder, capsular tightness blocks this glide, forcing abnormal superior translation of the humeral head. This alters the center of rotation of the shoulder and increases compressive forces on the articular cartilage and subacromial structures, worsening pain during elevation and rotation.

Rotational biomechanics are particularly affected. External rotation is usually the first and most severely restricted movement, due to tightening of the anterior capsule and coracohumeral ligament. Loss of external rotation disrupts the normal scapulohumeral rhythm, causing early and excessive scapular elevation and protraction. As a result, surrounding muscles such as the upper trapezius and levator scapulae become overactive, while rotator cuff efficiency declines.

At the muscular level, persistent capsular stiffness leads to altered force–length relationships. Rotator cuff muscles are forced to contract in shortened or mechanically disadvantaged positions, reducing their stabilizing role. The deltoid then produces greater shear forces instead of pure rotation, increasing joint compression and reinforcing the pain–stiffness cycle. This explains why strength loss in adhesive capsulitis is often secondary to biomechanics rather than true muscle weakness.

Functionally, frozen shoulder behaves like a closed, high-resistance system. The joint loses its ability to distribute loads smoothly, so everyday movements such as reaching overhead, grooming, or dressing require compensations from the thoracic spine and scapula. Over time, these compensations may contribute to secondary neck and upper-back discomfort due to abnormal kinetic chain loading.

The biomechanics of adhesive capsulitis revolve around capsular contracture, restricted joint glide, altered axis of rotation, and disrupted scapulohumeral rhythm. Effective management must therefore focus not only on pain relief but also on restoring capsular mobility, normal arthrokinematics, and coordinated muscle activation to break the cycle of stiffness and dysfunction.

21/02/2026

Plantar fasciitis is a biomechanical overload condition affecting the thick band of connective tissue known as the plantar fascia, which runs from the calcaneus (heel bone) to the toes. This structure plays a vital role in maintaining the medial longitudinal arch and supporting efficient force transfer during standing, walking, and running.

Biomechanically, the plantar fascia functions as a tension-bearing structure that stores and releases elastic energy during gait. When the foot contacts the ground, the arch flattens slightly to absorb shock, stretching the plantar fascia. As the heel lifts and the toes extend, the windlass mechanism tightens the fascia, elevating the arch and transforming the foot into a rigid lever for propulsion.

Excessive strain occurs when repetitive loading exceeds the tissue’s capacity to recover. Factors such as overpronation, reduced ankle dorsiflexion, prolonged standing, sudden increases in activity, or inadequate footwear can increase tensile stress at the fascia’s origin on the calcaneus. Microtearing and degenerative changes develop, producing pain at the medial heel, especially during the first steps in the morning.

Limited ankle mobility and tight calf muscles further increase stress on the plantar fascia by forcing compensatory pronation and increasing traction forces during gait. Weak intrinsic foot muscles may also reduce arch support, shifting more load onto passive structures like the fascia.

Effective management focuses on restoring optimal load distribution. Improving calf flexibility, enhancing foot intrinsic strength, supporting the arch, and correcting gait mechanics can reduce stress and promote tissue recovery. Gradual loading and appropriate footwear help restore efficient foot biomechanics.

A resilient arch supports every step — restore balance and the foot regains strength, stability, and pain-free movement.

16/02/2026

Tibialis Posterior — Deep Leg Muscle Anatomy & Functional Importance

This image highlights the tibialis posterior, one of the most important deep muscles of the posterior compartment of the leg. Although it lies beneath the larger calf muscles, it plays a central role in foot stability, arch support, and efficient gait mechanics.

Anatomically, the tibialis posterior originates from the posterior surfaces of the tibia and fibula and the interosseous membrane between them. Its muscle belly sits deep in the posterior leg and forms a strong tendon that travels behind the medial malleolus at the ankle. From there, it spreads out to insert primarily on the navicular tuberosity, with extensions to the cuneiforms, cuboid, and bases of the metatarsals — giving it a broad stabilizing influence across the midfoot.

Functionally, the tibialis posterior produces ankle plantarflexion and foot inversion. More importantly, it is a key dynamic stabilizer of the medial longitudinal arch. During walking, it becomes highly active in mid-stance and push-off phases, helping control pronation and convert the foot into a rigid lever for propulsion.

Biomechanically, tibialis posterior works in coordination with the calf complex and intrinsic foot muscles to control load transfer through the foot. When it contracts effectively, it supports arch height and improves force distribution across the midfoot and forefoot.

Clinically, tibialis posterior dysfunction is a major cause of adult acquired flatfoot and medial ankle pain. Weakness or tendon degeneration can lead to progressive arch collapse, excessive pronation, and altered gait mechanics. Early recognition and targeted rehab are essential for long-term foot function.

13/02/2026

happy friday to all our wonderful clients

11/02/2026

Dear Clients,

I am available to assist you with any injuries or health concerns from my residence in Landsdale.

Your health is my priority, and I am committed to making myself as accessible as possible to support you in your recovery and wellbeing.

Please feel free to reach out if you need assistance.

Kind regards,

Mark

06/02/2026

knee anatomy

31/01/2026