7 & 8. Significance of vectors in movements and velocity. Injuries in the soft tissues, Gaining and loosing muscle balance

Kinetics

which movement can be seen as the resultant of internal and external forces

Vector (directed section)

is a quantity which has not only extension but also direction.

Cause of injury

Most frequent injuries are due to large effort during stretching or strengthening without stretching/warm up

Viscoelasticity

After muscle activity contraction, stretching or strengthening due to internal force, they are able to have healthy normal length.

Soft tissue lesion types

• Subluxation (incomplete, partial dislocation of soft tissues)

• Dislocation (bony part displacement → irritation, inflammation, pain in soft tissues)

• Muscle/tendon rupture

• Tendinitis, tenovaginitis/tenosynovitis

• Synovitis

• Hemarthrosis

• Ganglia

• Bursitis

• Contusion (bruising from direct blow)

• Overuse syndrome

How is ligament injury developed

Elongation → Micro-ruptures → Ruptures

If ligament is injured, joint is unstable

Clinical symptoms of soft tissue lesions

Adhesion
Trigger points

Adhesion

Immobilization as joints stick to each other, common in injured joint capsules

Trigger points

Painful points in the muscle belly