1402AHS - Muscle Length Testing

Hamstrings

Straight Leg Raise (SLR) with 80-90 degrees of hip flexion

Alternate Hamstrings Assessment

90 -90 Test with -20 degrees of knee extension

Quadriceps

Prone Knee Bend (PKB) with 120 degrees of knee flexion — or heel to buttock

Hip Flexors

Modified Thomas Test

Modified Thomas Test Findings — Normal Length

Thigh Parallel or hip in extension (i.e. thigh past parallel to plinth), knee in 90 degrees flexion, hip in neutral abd/adduction

Modified Thomas Test Findings — TFL Tightness

Hip Abducted

Modified Thomas Test Findings — Rectus Femoris tightness

knee in greater extended position

Modified Thomas Test Findings — Iliopsoas Tightness

Hip in flexion

TFL/ITB

Modified Obers test

Modified Obers Test Findings — Maximal Tightness

If leg cannot be passively adducted to horizontal

Modified Obers Test Findings — Moderate Tightness

Horizontal position in reached

Modified Obers Test Findings — Minimal Tightness

If leg falls below horizontal but does not completely reach plinth

Gastrocnemius

>10 degrees DF (ideally 20)

Soleus

• >10 degrees DF (ideally 20)

• Make sure that knee is slightly passively flexed at the start

Knee to Wall

• Standing

• 10-12 cm