What Drives Finger Motion

This 16 part series analyzes the function of the multifaceted dorsal apparatus, focusing on what muscle power influences which movements.

 

What Drives Finger Motion Part 1 of 16: Overview Concepts

 

Examine the core concepts of understanding the role of the dorsal apparatus in digital motion

 

What Drives Finger Motion Part 2 of 16: EDC & Sagittal Bands

 

Review the mechanical role of the EDC and sagittal bands in digital motion

 

What Drives Finger Motion Part 3 of 16 : Transverse & Oblique Fibers

 

Examine how the transverse & oblique fibers influence movement of the dorsal apparatus and each finger joint

 

What Drives Finger Motion Part 4 of 16: Central Slip & Insertion

 

Analyze the role of the central slip and the central slip insertion in finger motion

 

What Drives Finger Motion Part 5 of 16: Lateral Bands

 

Review the part the lateral bands play in finger motion

 

What Drives Finger Motion Part 6 of 16: Terminal Tendon Insertion

 

Examine the role of the terminal tendon insertion and how it influences finger motion

 

What Drives Finger Motion Part 7 of 16: Role of the Retinacular Structures

 

Analyze the role of the retinacular structures in stabilizing the dorsal apparatus

 

What Drives Finger Motion Part 8 of 16: Coordinated IP Joint Motion

 

Analyze the relationship between PIP and DIP joint motion

 

What Drives Finger Motion Part 9 of 16: What Each Muscle Does: Overview

 

Review the core concepts of how each muscle influences the dorsal apparatus

 

What Drives Finger Motion Part 10 of 16: What Each Muscle Does: EDC

 

Review the role of the extensor digitorum communis in finger motion

 

What Drives Finger Motion Part 11 of 16: What Each Muscle Does: Interossei

 

Examine how the interosseous muscles participate in finger motion

 

What Drives Finger Motion Part 12 of 16: What Each Muscle Does: Lumbricals

 

Examine how the lumbrical muscles participate in finger motion

 

What Drives Finger Motion Part 13 of 16: Interosseous & Lumbrical Comparison

 

Compare the characteristics and functions of the interosseous versus the lumbrical muscles

 

What Drives Finger Motion Part 14 of 16: What Each Muscle Does: FDP & FDS

 

Review the role of the flexor digitorum profundus and superficilias in finger motion

 

What Drives Finger Motion Part 15 of 16: What Moves Each Joint

 

Examine how each muscle influences finger joint motion

 

What Drives Finger Motion Part 16 of 16: What Muscle is Active

 

Review what muscles are active during different finger motions