1-Gunshot wound
2-traction by trumatic (hip dislocation and pelvic fracture)
3-intraneural haemorrhage with patient take anticoagulant
4-total head replacement

1-hamstring muscles and all muscle below the knee
2-ankle jerk reflex
3-sensation below the knee except medial side?
Due to the medial side innervate by saphenous nerve branch of femoral nerve

Drop foot

High stepping gait

To avoid dragging insensitive doot

1-Limb wasted with fixed deformty
2-ulcer foot on sole

Divided,suture or nerve graft

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Below knee drop foot splint is fitted

Poor

Transferring tibalis posterior to front to countract drop foot

Amputation🥲

1-chromosomal disorder
2-single gene or polygenic disorder
3-multifactorial disorder

Anti CCP
Rheumatoid nodules

Swan neck deformity
Buttonhole deformity

Poly arthritis
Tenosynovitis
Early morning stiffness
Not well patient

1-bilateral symmetric poly arthritis
2-involve proximal joint of hand and foot finger bone
3-present for at least 6 weeks.

1-contol and stop synovitis.
2-keep the joints moving.
3-prevent deformity.

Exercise and physiotherapy

1-Synovectomy
2-Tendon repair or replacement and joint stabilization

Arthoplasty