ISSA Unit 6 – Musculoskeletal deviations

ISSA Unit 6 - Musculoskeletal deviations

1: Describe the advantages of good posture. Describe how to do a self-assessment for postural deviations.

Good posture enhances biomechanical efficiency, reduces risk of injury and allows for correct organ function. unrelated to physical activity, good posture inspires a sense of well-being, confidence and social advantage.

2: Name and describe the 3 abnormal postural deviations.

Lordosis: an excessive inward curve of the lower spine
Scoliosis: abnormal lateral curvature of the spine
Kyphosis: an excessive rounding of the upper spine

3: Circle the relevant postural deviation that corresponds to the chart below.

4: Explain the role(s) of posture and postural deviations in athletic achievement and precisely why alignment deviations can limit execution.

Correct postural alignment is naturally tantamount to optimal athletic performance as it dictates the biomechanical efficiency and performance longevity of an athlete. Postural deviations, therefore, lead to diminished performance potential due to full system misalignment

5: Complete the chart below.

6: Describe the key to obtaining a well-aligned and well-balanced body.

The key is to proportionately develop the agonist and antagonist muscle groups in all movement systems about a joint.

7: What is “tonus”.

The circulatory and movement efficiency of a muscle

8: Name the 3 main parts of the spine as well as the number of vertebrae for each.

Cervical (7)
Thoracic (12)
Lumbar (5)

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9: Describe the typical ROM of flexion and extension of the spine?

30-40 degrees forward, 15-20 degrees backwards

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10: Fill in the diagram below.

11: Describe the complications with prolonged sitting. Explain ways you can mitigate the effects of sitting at work.

Long term sitting can lead to postural deviations and the chronic conditions associated with it. It can also lead to tightening of the hip flexors. this can be alleviated by using ergonomically enhanced seating with correct lumbar support and adjustability such as reclining.

12: Describe how the feet can affect posture.

Foot integrity can affect the entire chain of alignment from legs to hips and eventually the spine.

13: Describe the consequences of poor posture on the resulting pelvic tilts. In what ways does each tilt affect the human body?

anterior tilt: muscular weakness in front of pelvis and thighs lose flexibility, while those behind are generally weak.
posterior tilt: Weak, tight leg muscles, shortened tendons around pelvic bones
lateral tilt: back and hip pain as well as unbalanced gait.

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