MSK Basics / End feels

Closed Chain vs Open Chain examples

Closed: Squat

Open: Leg curl

Isometric vs Isotonic vs Isokinetic

Metric: No change in M length

Tonic: Change in M length (Ecc or Conc)

Kinetic: Special machine

Rule of THUMB (Joint mvmt)

Flexion - Thumb points to ulnar side of hand - ulnar roll

Extension - Thumb points to radial side of hand - radial roll

Abduction - Thumb creates a “V” - Volar glide

Adduction - Thumb moves to the hanD - Dorsal glide

Joint mobilization grades

G1 - Slow, small @ beginning of motion

G2 - Slow, large amplitude @ mid 50%

G3 - Slow, large amplitude @ mid-end

G4 - Slow, small @ end range

G5 - Fast, small @ beyond end range

Boggy end feel

Edema

Springy end feel

Mensical

Rubbery end feel

M. Spasm

Firm with decreased elasticity end feel

Fibrosis

Early M spasm end feel

Protective due to injury

Late M spasm end feel

Due to instability or pain

“Mushy” tissue stretch end feel

Tight M

Spasticity end feel

UMN lesion

Hard capsular end feel Example

Frozen shoulder

Soft capsular end feel example

Synovitis