PALMAR ARCHES ( HAND COMPLEX BIOMECHANICS)Physiotherapy 

PALMAR ARCHES ( HAND COMPLEX BIOMECHANICS)Physiotherapy Tutorials
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summary of the video with the time for reference:
1.Arches
-Proximal Transverse arch - fixed
-Distal Transverse arch -mobile
-Longitudinal arch - mobile
2.Uses
-conforms to shape
-increases the stability
-increases sensory feedback
3.Distal Transverse Arch
-magnifies proximal arch
-from 1st to 5th metacarpal
-2nd and 3rd are comparatively fixed
4.Muscles
-Opponence digiti Minimi works on flexion and rotation and of 5th metatarsal
-Intrinsic muscles and flexor carpi ulnaris increases the arch
-radial muscles efficiency is Improved due to the stable 2nd and 3rd CMC joint though the length tension relationship.
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