ناهنجاریهای قامتی توراکولومبر

1. ناهنجاریهای قامتی توراکولومبر دکتر احمد باقری مقدم متخصص پزشکی ورزشی

2. What is Body Posture? Medical Dictionaries : • Body Posture = Body Alignment. • Body Posture = The position of the body • Body Posture = Relative alignment of body segments • Body Alignment =The alignment of the various body parts to each other // How the torso, limbs, spine, shoulders are all in proper arrangement. . • Posture = Posture is the position in which you hold your body upright against gravity while standing, sitting or lying down.

3. In medicine, the concept of good posture is referred to as "neutral spine". In its natural alignment, the spine is not straight in side view . slight forward curve in the lumbar region(lordosis) slight backward curve in the thorasicregion (kyphosis) slight extension in the tiny cervical vertebra at the top of the spine. In addition, the ears, shoulders, hips, knees and ankles are aligned properly.

4. Posterior (Back) Spinal Column Normal Spine Curvature Lateral Spinal Column • A non-neutral spine leads to "improper posture " • increased stress on spine and causes pain, discomfort and damage.

5. Static & Dynamic Posture: • In static postures the body and its segments are aligned and maintained in certain positions • e.g. – Standing, kneeling, lying , sitting , … • A dynamic posture refers to postures in which the body or its segments are moving • e.g. – Walking, running, jumping, throwing, lifting , …

6. What holds the bodies in proper body alignment? The muscles. • When all muscles get • the proper amount of • stimulus & work, • bodies naturally conform • to this proper body alignment. • Movement is easy and painless . • We can run , jump , climb , throw, ….

7. What is proper body posture? • Proper Body Posture or Alignment is a balanced position in which the body's load-bearing joints are aligned • It occurs when all the muscles are in well balanced position - front to back, side to side, top to bottom. • Stress to the joints, muscles, vertebrae and tissue is minimized.

8. When the body is in this state, the musculoskeletal system functions optimally in its strongest. • The body bears the force of gravity with minimal effort. • The body can move freely.

9. Correct or Optimal Posture “…the state of muscular and skeletal balance which protects the structures of the body against injury or progressive deformity .” • Maximal biomechanical efficiency. • Minimal stress on the joints, the ligaments and the muscles. -

10. Poor Posture “…faulty relationship of the various parts of the body which produces increased stress on the structures and in which there is less efficient balance of the body over its base of support.” • Increased strain on body and less efficient • Cause of various physiological and anatomical impairments

11. Causes of Poor Posture : Structural Causes • Permanent anatomical deformities not amenable to correction by conservative treatments. Positional Causes • Poor postural habit - The individual does not maintain a correct posture. • Psychological factors, especially depression & loss of self-esteem & … . • General muscle weakness. • Loss of the ability to perceive the position of your body. • Loss of flexibility • ….

12. Muscle Imbalance When one of the muscles is either too strong or too weak, it becomes difficult to hold the joint in natural place. E.g. : One who only does sit-ups ,but doesn’t exercise the lower back muscles. This leads to very strong muscles in the front of the tummy area but relatively weaker back muscles. This lead to a slightly hunched forward posture.

13. Muscle Imbalances • Imbalance between an agonist muscle & its antagonist : • Disrupting the normal force couple relationship between the agonist & antagonist muscles • Create kinetic dysfunction, • Improper joint alignment, • Muscle Imbalances often due to : • Muscle tightness • Muscle hyperactivity • Muscle weakness • Muscle hypoactivity

14. Some Causes of Muscle Imbalances: Bad posture Muscle stretch or weakness Stretch – weakness may be defined as the effect on muscle of remaining in a lengthened condition behind its physiologic position. Muscle shortness & loss of flexibility Pain Sports & repetitive movment: That emphasize anterior muscles Unilateral activities Joint abnormalities & injuries Trauma Inactivity ……..

15. Soft Tissue Imbalance • Faulty posture can alter the position of joints, causing an increase in stress on different portions of the joint capsule and surrounding ligaments • Joint’s capsule and surrounding ligaments undergo adaptive changes from prolonged overstressing or understressing of structure.

16. Structural imbalance Structural Balance refers to the optimal positioning of bones and joints. Structural imbalance is simply when bones and joints are not in their optimal position when weight is applied on them.

17. Pain related to postural deviations is a common clinical occurrence • Many do not seek help until pain is experienced • Postural assessment is used to determine if postural deviations are contributing factors in patient’s pain or dysfunction • Posture must be evaluated in functional and nonfunctional positions

18. Postural Syndromes • As a result of the muscle imbalances that develop in our musculoskeletal system, postural deviations occur. • Janda describes predictable patterns of these postural syndromes. • Three typical postural syndromes: • Upper Crossed Syndrome • Lower Crossed Syndrome • Layer Syndrome

19. Upper Crossed Syndrome • Affects the neck-shoulder girdle region • Functionally, upper crossed syndrome alters the dynamic stability of the cervical spine • Characterized by: • Forward head with upper cervical extension and lower cervical flexion • Elevation and protraction of the shoulders • Winging of the scapula

20. Lower Crossed Syndrome • Affects the lumbopelvic region • Characterized by: • Anterior pelvic tilt • Increased lumbar lordosis • Weakness of abdomen muscles • Resulting in an increased load placed on the lumbar facet joints (L4-5 and L5-S1)

21. Layer Syndrome Chronic postural distortion resulting from a combination of the upper crossed syndrome and the lower crossed syndrome.

23. Standard Posture • An evaluation of postural faults needs a standard by which individuals postures can be judged. • The standing position may be regarded as a reference alignment of a subject from 4 view: • Front • Back • Right side • Left side

25. Standard Posture A plumb line is used to determine whether the points of reference of the body are in the same alignment as standard posture. The amount of deviation of the various point of reference from the plumb line reveal the extend of body malalignment. The amount of deviation from plumb line are described as slight , moderate , sever (marked).

27. Ideal Posture (side view) Surface landmarks which coincide with the plumb line. Plumb Line is passed: Through lobe of the ear Through shoulder joint ( arms hang in normal alignment beside the trunk ) Midway through the trunk. Through the greater trochanterof femur Slightly anterior to a midline through the knee Slightly anterior to lateral malleolus

28. Ideal Posture (side view) Anatomical structures which coincide with the plumb line. • Slightly posterior to the apex of coronal suture. • Through external auditory meatus. • Through the odontoid process of axis. • Through the bodies of cervical vertebrae. • Through the bodies of lumbar vertebrae . • Through the sacral promontory. • Slightly posterior to the centre of the hip joint. • Slightly anterior to the centre of the knee joint. • Through the calcaneo-cuboid joint.

29. Ideal Segmental Alignment : side view • In lateral view , the anterior and posterior muscles attached to pelvis maintain it in ideal alignment. • Ant : • Abdominal muscles pull pelvis upward. • Hip flexors pull downward. • Post: • Back muscles pull pelvis upward • Hip extensors pull downward

30. Head Forward Posture • An anterior positioning of the cervical spine is caracteristic of forward head posture. • Evaluate neck position (since elevating head too high ) with additional pillows. • Very Common (specially in the elderly stage ) • Often with dorsal hump

31. Kyphosis • A spine affected by kyphosis shows evidence of a forward curvature of the vertebrae in the upper back area, giving a "humpback" appearance

33. Causes • Metabolic problems • Neuromuscular conditions • Osteogenesis imperfecta • Spina bifida • Scheuermann's disease

35. Lordosis Posture Hip flexors , erector spinae are short. Abdominal, hamstrings, gluteus maximus muscles may be weak. The degree of tilt and lordosis is often associated with marked shortness of iliopsoas.

37. Kyphosis-Lordosis Posture: This is a common posture where the head is forward and the upper back is excessively rounded.

38. Kyphosis-Lordosis Posture: • The neck flexors (ant. muscles ) are generally weak • the neck extensors are short and tight. • The muscles in the chest are tightened with forward-rounded shoulders (pectorals) • the upper back muscles are lengthened and weak. • The pelvis is often rotated forward, with excessive curvature in the lumbar spine. • The hip flexors are shortened . • The lower abdominal muscle and gluteal muscles are weak and the hamstrings are slightly stretched. -

39. Kyphosis- Lordosis Posture: Head- Forward Cervical Spine- Hyperextended Scapulae – Abducted Thoracic Vertebrate- Increased flexion (Kyphosis ) Lumbar Vertebrate- Hyperextended ( Lordosis ) Pelvis- Anterior tilt (forward and down) Knees- Slightly hyperextended Legs - behind plumb line Ankle - Slightly plantar flexed,

40. Possible causes: Poor postural sense Muscle imbalance: Tightened/shortened hip flexors Weakened or elongated hip extensors or trunk flexors Adverse effects: Anterior pelvic tilt Hip joint flexion ↑ lumbar lordosis ↑ thoracic kyphosis KypholordoticPosture

41. Military-Type Posture In military-type posture the back is exaggeratedly straight with the lower back arched, like a soldier standing at attention. A-Moezy

42. Military-Type Posture Head- Slightly posterior Cervical Spine- Normal curve / slightly anterior Thoracic Vertebrate- Normal curve / slightly posterior Lumbar Vertebrate- Hyperextended ( Lordosis ) Pelvis- Anterior tilt Knees- Slightly hyperextended Ankles - Slightly plantar flexed,

43. Sway Back Posture A-Moezy • Head: Forward • Cervical spine –Slightly extended • Thoracic spine- Increased flexion ( long kyphosis ) with posterior displacement of upper trunk. • Lumbar Vertebrate –Increased flexion with flatting of lumbar area curve • Pelvis-posterior tilt and anterior to midline • Hips- Hyper extended • Knees- Hyper extended • Ankles – Neutral. A-Moezy

44. Sway Back Posture Anterior hip ligaments – Stretch position Iliopsoas - Stretch position ( weakness ) External oblique abdominal - Stretch position ( weakness ) Hamestrings – Shortness ( strong) Upper back muscles- Stretch position (weakness ) Upper abdominal muscles - Shortness (strong)

45. Swayback Posture • Possible causes: • Ectomorph body: hypomobility of joints • Poor postural sense • Tightened/shortened hip extensors • Weakened or elongated hip flexors or lower abdominals • ↓ general muscular strength

46. Adverse Effects: Genu recurvatum Hip joint extension Posterior pelvic tilt Lumbar spine in neutral or minimal flexed position ↑ in lower thoracic, thoracolumbar curvature Swayback Posture

47. Flat-Back Posture Head- Forward Cervical Spine- Slightly extended Upper part of Thoracic Spine- Increased flexion Lower part of Thoracic Spine- Straight & reduced curvature Lumbar Spine – straight (flexed) Pelvis- posterior tilt (backward and down) Hips- Extended Knees- Extended Ankle joints- Slightly plantar flexed

48. Flat-Back Posture • Muscle findings in flat back posture are less constant. • The most constant finding is a tightness of hamstrings which pulls pelvis into posterior tilt& weakness of hip flexors. • Back muscles are in a slightly elongated position and in flexible. • Abdominal muscles may / may not be strong.

49. Flat Back Posture

50. Ideal Alignment : Posterior View Head- Neutral position , not tilted nor rotated. Cervical Spine-Straight. Shoulders – Level, not elevated nor depressed. Scapula - Neutral position ,medial borders parallel & 7.5 – 10 cm (3-4 inches) apart. Thoracic Spine- Straight. Lumbar Spine- Straight.