Joint Receptors

Question 1

Ruffini Joint Receptors

Answer 1

Type I
Sensitivity - stretch (usually at extremes of extension)
Location – fibrous layer of joint capsules on flexion side of joints, periosteum, ligaments, tendons

Question 2

Pacini Joint Receptors

Answer 2

Type II
Sensitivity - Compression/changes in hydrostatic pressure & joint movement
Location - throughout joint capsule, deep layers & fat pads

Question 3

Golgi Joint Receptors

Answer 3

Type III
Sensitivity - Pressure & forceful joint motion into extremes of motion
Location - inner layer (synovium) of joint capsules, ligaments, tendons

Question 4

Unmyelinated free nerve endings

Answer 4

Type IV
Sensitivity - non-noxious and noxious mechanical stress & biomechanical stress
Location - Around blood vessels in synovial layer of capsules