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  • Special Tests
    • Cervical Spine >
      • Alar Ligament Test
      • Bakody's Sign
      • Cervical Distraction Test
      • Cervical Rotation Lateral Flexion Test
      • Craniocervical Flexion Test (CCFT)
      • Deep Neck Flexor Endurance Test
      • Posterior-Anterior Segmental Mobility
      • Segmental Mobility
      • Sharp-Purser Test
      • Spurling's Maneuver
      • Transverse Ligament Test
      • ULNT - Median
      • ULNT - Radial
      • ULNT - Ulnar
      • Vertebral Artery Test
    • Thoracic Spine >
      • Adam's Forward Bend Test
      • Passive Neck Flexion Test
      • Thoracic Compression Test
      • Thoracic Distraction Test
      • Thoracic Foraminal Closure Test
    • Lumbar Spine/Sacroiliac Joint >
      • Active Sit-Up Test
      • Alternate Gillet Test
      • Crossed Straight Leg Raise Test
      • Extensor Endurance Test
      • FABER Test
      • Fortin's Sign
      • Gaenslen Test
      • Gillet Test
      • Gower's Sign
      • Lumbar Quadrant Test
      • POSH Test
      • Posteroanterior Mobility
      • Prone Knee Bend Test
      • Prone Instability Test
      • Resisted Abduction Test
      • Sacral Clearing Test
      • Seated Forward Flexion Test
      • SIJ Compression/Distraction Test
      • Slump Test
      • Sphinx Test
      • Spine Rotators & Multifidus Test
      • Squish Test
      • Standing Forward Flexion Test
      • Straight Leg Raise Test
      • Supine to Long Sit Test
    • Shoulder >
      • Active Compression Test
      • Anterior Apprehension
      • Biceps Load Test II
      • Drop Arm Sign
      • External Rotation Lag Sign
      • Hawkins-Kennedy Impingement Sign
      • Horizontal Adduction Test
      • Internal Rotation Lag Sign
      • Jobe Test
      • Ludington's Test
      • Neer Test
      • Painful Arc Sign
      • Pronated Load Test
      • Resisted Supination External Rotation Test
      • Speed's Test
      • Posterior Apprehension
      • Sulcus Sign
      • Thoracic Outlet Tests >
        • Adson's Test
        • Costoclavicular Brace
        • Hyperabduction Test
        • Roos (EAST)
      • Yergason's Test
    • Elbow >
      • Biceps Squeeze Test
      • Chair Sign
      • Cozen's Test
      • Elbow Extension Test
      • Medial Epicondylalgia Test
      • Mill's Test
      • Moving Valgus Stress Test
      • Push-up Sign
      • Ulnar Nerve Compression Test
      • Valgus Stress Test
      • Varus Stress Test
    • Wrist/Hand >
      • Allen's Test
      • Carpal Compression Test
      • Finkelstein Test
      • Phalen's Test
      • Reverse Phalen's Test
    • Hip >
      • Craig's Test
      • Dial Test
      • FABER Test
      • FAIR Test
      • Fitzgerald's Test
      • Hip Quadrant Test
      • Hop Test
      • Labral Anterior Impingement Test
      • Labral Posterior Impingement Test
      • Long-Axis Femoral Distraction Test
      • Noble Compression Test
      • Percussion Test
      • Sign of the Buttock
      • Trendelenburg Test
    • Knee >
      • Anterior Drawer Test
      • Dial Test (Tibial Rotation Test)
      • Joint Line Tenderness
      • Lachman Test
      • McMurray Test
      • Noble Compression Test
      • Pivot-Shift Test
      • Posterior Drawer Test
      • Posterior Sag Sign
      • Quad Active Test
      • Thessaly Test
      • Valgus Stress Test
      • Varus Stress Test
    • Foot/Ankle >
      • Anterior Drawer
      • Calf Squeeze Test
      • External Rotation Test
      • Fracture Screening Tests
      • Impingement Sign
      • Navicular Drop Test
      • Squeeze Test
      • Talar Tilt
      • Tarsal Tunnel Syndrome Test
      • Test for Interdigital Neuroma
      • Windlass Test
    • HEP >
      • Neck and Shoulder >
        • Supine Chin Tuck
        • Supine DNF with Towel Assist
        • Supine DNF
        • Standing Chin Tuck Against Wall
        • Standing Chin Tuck Against Wall with Scaption
        • Seated Cervical Retraction Repeated
        • Seated Cervical Retraction with Extension Repeated
        • Seated Cervical Retraction with Sidebend Repeated
        • Seated Cervical Retraction with Rotation Repeated
        • Standing Wall Shrugs at 90 Degrees Flex
        • Seated Thoracic Whips
        • Standing Ballistic Shoulder Extensions
        • Standing Repeated Shoulder Extension with Squat
        • Standing Repetead Shoulder Horiz. Abd. with Ext. CKC
        • Seated with Arms on Pillows Cervical AROM (Flex/Ext/Rot/SB)
        • Seated with Arms on Pillows Shrugs
        • Seated with Arms on Pillows Shrug with Scapular Retraction
        • Supine Shoulder IR with GH Centralization
        • Supine Shoulder ER with GH Centralization
        • Holding Dumbbell at 180 Degrees Flexion for Time
        • Cat Camel
        • Prone T's
        • Prone Y's
        • Quad Chin Tuck w/ Shoulder Flexion
      • Low Back >
        • Supine TA Isometric
        • Standing TA Isometric Agains Wall with Squat
        • Supine BKFO
        • Quad Rock Back
        • Standing Hip Hinge
        • Sit to Stand with Hip Hinge
        • Repeated Lumbar Sideglides
        • Repeated Standing Lumbar Extension
        • Repeated Standing Lumbar Flexion
        • Repeated Prone Press-Ups
        • Repeated Supine DKC
        • Slump Sciatic Nerve Glides
        • Birddog Progression
      • Hip and Knee >
        • Clamshells with Progressions
        • Fire Hydrants with Progressions
        • Donkey Kicks
        • Bridge Variations
        • Repeated Hip Flexion
        • Squats
        • Seated Repeated Knee Extensions
        • CKC Seated Repeated Knee Extensions
        • Heel Slides
        • CKC DF with Tibial IR
      • Foot and Ankle >
        • Calf Raises
        • Calf Raises with Soccer Ball Between Medial Malleoli
        • Towel Scrunches with Foot in PF
        • Toe Flexion Using T-Band with Foot in PF
        • PF with Toes Flexed Using T-Band
        • DF with Toes Flexed Using T-Band
        • Forefoot Adduction
        • Gastroc Stretch
        • Repeated PF
      • Examination Templates
Picture

Internal Rotation Lag Sign

Purpose: To test for the presence of a subscapularis tendon tear. 

Test Position: Seated.

Performing the Test: The affected arm is brought into maximal internal rotation, so the dorsum of the patient's hand is resting on their lumbar spine. Next, the examiner grasps the patient's forearm and lifts the dorsum of the hand away from the lumbar region. While supporting the patient's elbow, the examiner releases the forearm. The patient is instructed to keep their hand off of their lumbar spine. A positive test occurs when the patient is unable to maintain the internally rotated position off the lumbar spine.

Diagnostic Accuracy: Sensitivity: 97%, Specificity: 96%; +LR: 24.3; -LR: .03    (1) 
                                Sensitivity: 71%, Specificity: 60%; +LR: 1.78; -LR: .48    (2)


Importance of Test: The subscapularis muscle acts as a powerful internal rotator and dynamic stabilizer of the rotator cuff. This muscles also plays an important role in depression of the humeral head, so injury to this muscle can lead to impaired glenohumeral stability. The internal rotation lag sign places the subscapularis in its position of function. Clients that are unable to sustain the test position should be considered for subscapularis tendon tears. Due to the wide range of diagnostic accuracy, it is important to cluster this test's findings with other clinical examine measures.

Note: these tests should only be performed by properly trained health care practitioners.

References:
Hertel, R. "Lag Signs in the diagnosis of rotator cuff rupture." Journal of Shoulder and Elbow surgery. (7): 1996. Web. 29 Sep. 2012.
Bartsch, Martin. "Diagnostic values of clinical tests for subscapularis lesions." Knee Surgical Sports Traumatol Arthrose. (August): 2009. Print.

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Copyright © The Student Physical Therapist LLC 2019
  • Home
    • Newsletter
    • About
  • Insider Access
    • About Insider Access
  • Brian's Corner
    • Sports & Entrepreneurship Blog
    • Return to Sport Tests
  • Chris' Corner
  • Jim's Corner
    • Orthopedic Blog
  • Special Tests
    • Cervical Spine >
      • Alar Ligament Test
      • Bakody's Sign
      • Cervical Distraction Test
      • Cervical Rotation Lateral Flexion Test
      • Craniocervical Flexion Test (CCFT)
      • Deep Neck Flexor Endurance Test
      • Posterior-Anterior Segmental Mobility
      • Segmental Mobility
      • Sharp-Purser Test
      • Spurling's Maneuver
      • Transverse Ligament Test
      • ULNT - Median
      • ULNT - Radial
      • ULNT - Ulnar
      • Vertebral Artery Test
    • Thoracic Spine >
      • Adam's Forward Bend Test
      • Passive Neck Flexion Test
      • Thoracic Compression Test
      • Thoracic Distraction Test
      • Thoracic Foraminal Closure Test
    • Lumbar Spine/Sacroiliac Joint >
      • Active Sit-Up Test
      • Alternate Gillet Test
      • Crossed Straight Leg Raise Test
      • Extensor Endurance Test
      • FABER Test
      • Fortin's Sign
      • Gaenslen Test
      • Gillet Test
      • Gower's Sign
      • Lumbar Quadrant Test
      • POSH Test
      • Posteroanterior Mobility
      • Prone Knee Bend Test
      • Prone Instability Test
      • Resisted Abduction Test
      • Sacral Clearing Test
      • Seated Forward Flexion Test
      • SIJ Compression/Distraction Test
      • Slump Test
      • Sphinx Test
      • Spine Rotators & Multifidus Test
      • Squish Test
      • Standing Forward Flexion Test
      • Straight Leg Raise Test
      • Supine to Long Sit Test
    • Shoulder >
      • Active Compression Test
      • Anterior Apprehension
      • Biceps Load Test II
      • Drop Arm Sign
      • External Rotation Lag Sign
      • Hawkins-Kennedy Impingement Sign
      • Horizontal Adduction Test
      • Internal Rotation Lag Sign
      • Jobe Test
      • Ludington's Test
      • Neer Test
      • Painful Arc Sign
      • Pronated Load Test
      • Resisted Supination External Rotation Test
      • Speed's Test
      • Posterior Apprehension
      • Sulcus Sign
      • Thoracic Outlet Tests >
        • Adson's Test
        • Costoclavicular Brace
        • Hyperabduction Test
        • Roos (EAST)
      • Yergason's Test
    • Elbow >
      • Biceps Squeeze Test
      • Chair Sign
      • Cozen's Test
      • Elbow Extension Test
      • Medial Epicondylalgia Test
      • Mill's Test
      • Moving Valgus Stress Test
      • Push-up Sign
      • Ulnar Nerve Compression Test
      • Valgus Stress Test
      • Varus Stress Test
    • Wrist/Hand >
      • Allen's Test
      • Carpal Compression Test
      • Finkelstein Test
      • Phalen's Test
      • Reverse Phalen's Test
    • Hip >
      • Craig's Test
      • Dial Test
      • FABER Test
      • FAIR Test
      • Fitzgerald's Test
      • Hip Quadrant Test
      • Hop Test
      • Labral Anterior Impingement Test
      • Labral Posterior Impingement Test
      • Long-Axis Femoral Distraction Test
      • Noble Compression Test
      • Percussion Test
      • Sign of the Buttock
      • Trendelenburg Test
    • Knee >
      • Anterior Drawer Test
      • Dial Test (Tibial Rotation Test)
      • Joint Line Tenderness
      • Lachman Test
      • McMurray Test
      • Noble Compression Test
      • Pivot-Shift Test
      • Posterior Drawer Test
      • Posterior Sag Sign
      • Quad Active Test
      • Thessaly Test
      • Valgus Stress Test
      • Varus Stress Test
    • Foot/Ankle >
      • Anterior Drawer
      • Calf Squeeze Test
      • External Rotation Test
      • Fracture Screening Tests
      • Impingement Sign
      • Navicular Drop Test
      • Squeeze Test
      • Talar Tilt
      • Tarsal Tunnel Syndrome Test
      • Test for Interdigital Neuroma
      • Windlass Test
    • HEP >
      • Neck and Shoulder >
        • Supine Chin Tuck
        • Supine DNF with Towel Assist
        • Supine DNF
        • Standing Chin Tuck Against Wall
        • Standing Chin Tuck Against Wall with Scaption
        • Seated Cervical Retraction Repeated
        • Seated Cervical Retraction with Extension Repeated
        • Seated Cervical Retraction with Sidebend Repeated
        • Seated Cervical Retraction with Rotation Repeated
        • Standing Wall Shrugs at 90 Degrees Flex
        • Seated Thoracic Whips
        • Standing Ballistic Shoulder Extensions
        • Standing Repeated Shoulder Extension with Squat
        • Standing Repetead Shoulder Horiz. Abd. with Ext. CKC
        • Seated with Arms on Pillows Cervical AROM (Flex/Ext/Rot/SB)
        • Seated with Arms on Pillows Shrugs
        • Seated with Arms on Pillows Shrug with Scapular Retraction
        • Supine Shoulder IR with GH Centralization
        • Supine Shoulder ER with GH Centralization
        • Holding Dumbbell at 180 Degrees Flexion for Time
        • Cat Camel
        • Prone T's
        • Prone Y's
        • Quad Chin Tuck w/ Shoulder Flexion
      • Low Back >
        • Supine TA Isometric
        • Standing TA Isometric Agains Wall with Squat
        • Supine BKFO
        • Quad Rock Back
        • Standing Hip Hinge
        • Sit to Stand with Hip Hinge
        • Repeated Lumbar Sideglides
        • Repeated Standing Lumbar Extension
        • Repeated Standing Lumbar Flexion
        • Repeated Prone Press-Ups
        • Repeated Supine DKC
        • Slump Sciatic Nerve Glides
        • Birddog Progression
      • Hip and Knee >
        • Clamshells with Progressions
        • Fire Hydrants with Progressions
        • Donkey Kicks
        • Bridge Variations
        • Repeated Hip Flexion
        • Squats
        • Seated Repeated Knee Extensions
        • CKC Seated Repeated Knee Extensions
        • Heel Slides
        • CKC DF with Tibial IR
      • Foot and Ankle >
        • Calf Raises
        • Calf Raises with Soccer Ball Between Medial Malleoli
        • Towel Scrunches with Foot in PF
        • Toe Flexion Using T-Band with Foot in PF
        • PF with Toes Flexed Using T-Band
        • DF with Toes Flexed Using T-Band
        • Forefoot Adduction
        • Gastroc Stretch
        • Repeated PF
      • Examination Templates
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