Morgan Donat Massage Therapist, RMT

Hi Everyone, some last minute rescheduling by clients means there are some availability tomorrow if you want to book something

Resurva / Morgan Donat Massage Therapist -------MORGAN DONAT MASSAGE THERAPIST------- 902-212-2089; [email protected] https://mdmassage2.wixsite.com/morgan

Kyphotic–Lordotic Posture: A Biomechanical Perspective

Kyphotic–lordotic posture is a characteristic postural pattern involving increased thoracic kyphosis, increased lumbar lordosis, anterior pelvic tilt, forward head posture and altered hip position. Although it is often described in terms of “tight” and “weak” muscles, the deeper biomechanical explanation involves changes in the position of body segments, the location of the center of mass, gravitational moment arms, joint loading and the muscular forces required to maintain upright equilibrium.

When the head moves forward relative to the trunk, its center of mass moves anteriorly away from the cervical spine. Gravity therefore creates a greater external flexion moment around the cervical region. To prevent the head from falling further forward, the posterior cervical muscles must generate an opposing extension moment. This increased mechanical demand can contribute to sustained activity and fatigue of the neck extensor musculature.

At the thoracic level, an increase in thoracic kyphosis changes the orientation of the upper trunk and alters the distribution of its mass relative to the pelvis and base of support. As the trunk becomes more flexed, the gravitational line of action can move anteriorly, increasing the extension moment that must be generated by the spinal extensor system. Consequently, the thoracic and lumbar musculature may need to work continuously to maintain an upright position.

The position of the scapulae and shoulder girdle is also influenced by thoracic posture. Increased thoracic flexion may be accompanied by changes in scapular protraction, anterior tilting and rotation. The pectoral muscles can influence this relationship, while the thoracic extensors and scapular stabilizers contribute to controlling the position of the upper trunk and scapulae. Therefore, kyphotic posture can affect not only the spine but also the mechanical environment of the shoulder complex.

The rib cage and pelvis also become important components of the postural chain. Changes in pelvic orientation can alter the position of the rib cage relative to the pelvis, while the abdominal musculature contributes to controlling trunk stiffness and lumbopelvic alignment. The re**us abdominis and oblique muscles can influence the relationship between the rib cage and pelvis, but describing these muscles simply as “weak” does not fully explain the biomechanics. Their activation, length, force-producing capacity and coordination are all relevant.

A major feature of the kyphotic–lordotic pattern is anterior pelvic tilt. When the pelvis rotates anteriorly, the sacrum changes orientation and the lumbar spine commonly adopts a more extended position, increasing lumbar lordosis. This changes the mechanical relationship between the vertebrae, pelvis and surrounding soft tissues. However, pelvic tilt and lumbar lordosis are not perfectly coupled in every individual; the relationship depends on hip mobility, spinal morphology, motor control and individual movement strategy.

The hip flexors can have an important influence on this lumbopelvic relationship. Muscles such as the iliopsoas, re**us femoris and tensor fasciae latae can contribute to controlling the position of the femur and pelvis. If the hip remains relatively flexed or hip-extension mobility is restricted, the pelvis and lumbar spine may compensate to allow the trunk to remain upright. This creates a mechanical interaction between hip position, pelvic rotation and lumbar curvature.

The hip extensors, particularly the gluteus maximus and hamstrings, contribute to hip extension and control of pelvic position. During standing, walking, rising from a chair and other functional activities, the hip extensors help control the relationship between the pelvis, femur and trunk. If their contribution is insufficient or poorly coordinated, other muscles and passive structures may be required to compensate for the altered mechanical demands.

The lumbar region can consequently experience increased muscular demand. If the line of gravity passes anterior to the lumbar joint axes, gravity creates an external flexion moment. The lumbar extensors must generate an opposing internal extension moment to maintain upright posture. In simple mechanical terms, torque = force × moment arm. Therefore, when the moment arm of gravity increases, the muscular force required to counteract it can also increase.

This is why prolonged standing in an altered postural alignment may increase the workload of the spinal extensor muscles. However, it is important not to assume that lumbar lordosis or muscle tightness automatically causes pain. Musculoskeletal pain is multifactorial and can involve tissue sensitivity, loading history, physical capacity, movement behavior, psychosocial factors and many other variables.

The plumb line shown in the image provides a visual reference for postural assessment. The important biomechanical question is not simply whether a body part touches the line, but how the body's segments are positioned relative to the gravitational line and their respective joint axes. The farther the line of gravity moves from a joint center, the greater the potential external moment that must be controlled.

The body therefore behaves as an interconnected mechanical system. A forward head can increase cervical extensor demand; thoracic kyphosis can alter trunk mechanics; anterior pelvic tilt can influence lumbar lordosis; hip position can influence pelvic orientation; and lower-limb positioning can subsequently adjust to keep the body's center of mass over the feet.

Thus, kyphotic–lordotic posture is better understood as a whole-body compensation strategy rather than simply a collection of tight and weak muscles. Changes in segmental alignment modify gravitational moment arms, which alter joint moments and consequently change the forces required from muscles and passive tissues.

From a rehabilitation perspective, assessment should therefore consider thoracic mobility, cervical control, scapular mechanics, abdominal and spinal muscle function, pelvic position, hip mobility, hip-extensor capacity and whole-body movement coordination. The objective should not simply be to “straighten the posture,” but to improve the individual's ability to control load, movement and alignment efficiently during functional activities.

The key biomechanical principle is:
Altered alignment → changed center-of-mass position → altered gravitational moment arms → changed joint moments → altered muscular demand → compensatory movement strategy.

🦶 Plantar Fasciitis: Understanding the Biomechanics Behind Heel Pain

Plantar fasciitis is one of the most common causes of heel pain, resulting from excessive mechanical loading of the plantar fascia—a thick band of connective tissue extending from the medial calcaneal tubercle to the toes. Rather than a purely inflammatory condition, it is often a degenerative overload injury (plantar fasciopathy) caused by repetitive microtrauma.

The plantar fascia plays a critical biomechanical role by supporting the medial longitudinal arch and functioning as a passive stabilizer during standing, walking, and running. During the push-off phase of gait, extension of the toes tightens the fascia through the windlass mechanism, elevating the arch and transforming the foot into a rigid lever for efficient propulsion.

When excessive tensile forces repeatedly exceed the tissue's capacity for repair, microscopic collagen damage develops near the calcaneal attachment. Risk factors include prolonged standing, sudden increases in activity, limited ankle dorsiflexion, tight calf muscles, obesity, poor footwear, excessive pronation, high arches, and reduced foot intrinsic muscle strength. These factors increase strain on the plantar fascia during every step.

A hallmark symptom is sharp heel pain with the first steps in the morning or after prolonged sitting. Overnight, the plantar fascia shortens slightly, and the first few steps suddenly re-tension the tissue, producing pain until it gradually warms up.

Successful rehabilitation targets the underlying biomechanics, not just symptom relief. Calf stretching, plantar fascia-specific stretching, strengthening of the intrinsic foot muscles and calf complex, improving ankle dorsiflexion, gait retraining, appropriate footwear, load management, and gradual return to activity all reduce excessive fascial stress and improve long-term outcomes.

Healthy foot mechanics depend on maintaining a strong arch, adequate ankle mobility, and balanced muscle function throughout the entire lower-limb kinetic chain.

I am back from my trip and ready to book more clients. Please click link to book your appointment.

Resurva / Morgan Donat Massage Therapist -------MORGAN DONAT MASSAGE THERAPIST------- 902-212-2089; [email protected] https://mdmassage2.wixsite.com/morgan

Up coming hours:

Canada Day- CLOSED
July 7-23 - CLOSED

All other summer hours are as usual
For online booking:
www.morgan massage.resurva.com

massage.resurva.co

https://mailchi.mp/6ba89c8c7f37/june-2026-lateral-medial-pterygoids

June 2026- Lateral & Medial Pterygoids The pterygoid muscles are two of the four primary muscles of mastication (chewing) located in the infratemporal fossa of the skull

Donated blood tonight. I do it every chance I get. I urge you to do it too.

https://mailchi.mp/97694b945a52/may-2026-splenius-capitis-cervicis

May 2026- Splenius Capitis/ Cervicis Splenius Capitis: A thick, broad muscle that connects the lower neck/upper back (spinous processes of C7–T3) to the mastoid process and superior nuchal line of the occipital bone.

Lumbar Triangle Biomechanics – Where Spine, Hip & Viscera Interact

The image highlights a critical biomechanical zone often overlooked—the lumbar triangle, where the lumbar spine, pelvis, and psoas muscle converge in close proximity to visceral structures like the intestine. This region represents a mechanical crossroad, where forces from the upper body, lower limbs, and internal pressure systems interact continuously.

At the core of this system is the psoas major, a powerful hip flexor that originates from the lumbar vertebrae (T12–L5) and inserts onto the lesser trochanter of the femur. Because of this direct attachment, the psoas creates a bidirectional force transmission pathway between the spine and lower limb. When it contracts, it not only flexes the hip but also exerts compressive and shear forces on the lumbar vertebrae, influencing spinal alignment and disc loading.

The lumbar discs shown in the image are subjected to these multidirectional forces. Under normal conditions, discs distribute compressive loads evenly. However, increased psoas tension—especially in postures involving prolonged hip flexion—can increase anterior compressive forces and shear stress on the lumbar segments. This alters the internal pressure of the nucleus pulposus and can disrupt normal load-sharing patterns, potentially contributing to disc strain over time.

The pelvis acts as the mechanical mediator in this region. Through its position and orientation, it determines how forces are transferred between the spine and hips. When the psoas shortens or becomes overactive, it can pull the lumbar spine into extension and contribute to anterior pelvic tilt. This changes the angle of force vectors passing through the lumbar triangle, increasing stress concentration in specific areas rather than distributing it evenly.

An often underappreciated aspect is the relationship between the visceral system and biomechanics. The intestine, positioned anterior to the psoas, contributes to intra-abdominal pressure, which plays a role in spinal stability. Proper pressure regulation acts like a hydraulic support system, reducing load on the lumbar discs. However, altered posture or muscle imbalance can disrupt this pressure system, reducing its stabilizing effect and increasing reliance on passive spinal structures.

The arrows in the image represent the multidirectional force environment within this region. Forces are not linear; they act vertically, diagonally, and rotationally. This means the lumbar triangle must constantly adapt to maintain equilibrium. Efficient biomechanics here depend on a balance between muscle tension (psoas and surrounding stabilizers), spinal alignment, and intra-abdominal pressure.

When this balance is disrupted, the system becomes mechanically inefficient. Excessive psoas dominance, reduced core stability, or altered pelvic alignment can lead to localized overload of lumbar discs and compensatory movement patterns. This is why dysfunction in this region often presents as a combination of lower back discomfort, hip tightness, and reduced movement efficiency.

Ultimately, the lumbar triangle is not just an anatomical space but a functional hub of force transmission and stabilization, where musculoskeletal and visceral biomechanics intersect. Its efficiency determines how well the body distributes load, maintains posture, and transitions between movement and stability.

Appointments available tomorrow. Check out availability my online booking site.

https://morganmassage.resurva.com

Reminder: new location at:
67 Lake Road Number 4 Rd, Pine Grove, NS B4V 8E9

Resurva / Morgan Donat Massage Therapist -------MORGAN DONAT MASSAGE THERAPIST------- 902-212-2089; [email protected] https://mdmassage2.wixsite.com/morgan