Median injury

1-low lesion
2-high lesion

1-cuts infront of wrist وحدة تنتحر او واحد
2-carpal dislocation

-unable to abduct thumb
-loss sensation over radial three and half of digits

Thenar eminence is wasted and trophic change seen

1-forearm fracture
2-elbow dislocation
3-stabs or gunshot

Pointing sign

Flextion of thumb+middle +ring+ little fingers
And index striaght

Divided and suture of nerve graft

Tendon trasfere

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

سنة ممكن يلا يرجع

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