Muscles and Nerves
Biomechanics
General
Clinical
100

A MAJOR hip flexor.

What is psoas major?
100
This Boston Bruins legend shares a name with a special test to assess length of a patient's hip flexors.
Who is Tim Thomas? (Thomas Test)
200
When performing a manual muscle test on tibialis anterior, you are assessing the integrity at this spinal cord segment.
What is L4-5? (L4 myotome)
200
This test identifies tightness in quadriceps, especially rectus femoris.
What is Ely's?
300
A patient presenting with damage to L2-L4 spinal cord segment would present with weakness in which two motions.
What are hip flexion and adduction?
300
The normal available ROM for hip flexion and extension.
What is 15* extension and 120* flexion?
300
When assessing joint mobility, use this number to grade an ankylosed joint.
What is zero?
300
Typical hip precautions after an postero-lateral THR.
What is <90* hip flexion, <neutral adduction, <neutral hip medial rotation?
400
The loose packed position of the hip.
What is approx 30* flexion, 30* abduction, and slight lateral rotation?
400
Capsular pattern in the hip.
What is hip flexion, medial rotation, abduction?
500

These 2-3 muscles are commonly cut during a minimally invasive posterior THR.

What are Glute max, superior gemellus, and piriformis?

500
This anatomical alignment of the hip causes "pigeon-toed" gait.
What is femoral anteversion?
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