Muscle strength testing For distribution Muscle strength grading

Muscle strength testing For distribution

Muscle strength grading scale n 5 full ROM against gravity and normal resistance n 4 full ROM against gravity and some resistance n 3 full ROM against gravity n 2 full ROM with gravity removed n 1 no motion, but slight contractility n 0 no motion, no contractility

MUSCLE STRENGTH TESTING – UPPER EXTREMITY n n n n Deltoid: Elbow flexors (biceps): Elbow extensors (triceps): Wrist extensors: Wrist flexors: Finger extensors: Finger flexors: Interossei: C 5 / axillary nerve C 6 / musculocutaneous nerve C 7 / radial nerve C 6 / radial nerve C 7 / median & ulnar nerves C 7 / radial nerve C 8 / median & ulnar nerve T 1 / ulnar nerve

Deltoid (C 5 / axillary nerve)

Elbow flexors - biceps (C 6 / musculocutaneous nerve)

Elbow extensors - triceps (C 7 / radial nerve)

Wrist extensors (C 6 / radial nerve)

Wrist flexors (C 7 / median & ulnar nerves)

Finger extensors (C 7 / radial nerve)

Finger flexors (C 8 / median & ulnar nerves)

Finger flexors (C 8 / median & ulnar nerves)

Finger flexors – dynamometer (grip) (C 8 / median & ulnar nerves)

Interossei – finger adductors (T 1 / ulnar nerve)

Interossei – finger abductors (T 1 / ulnar nerve)

Muscle strength testing grading scale n 5 full ROM against gravity and normal resistance n 4 full ROM against gravity and some resistance n 3 full ROM against gravity n 2 full ROM with gravity removed n 1 no motion, but slight contractility n 0 no motion, no contractility

MUSCLE STRENGTH TESTING – LOWER EXTREMITY n n n n n Psoas: L 1, 2, 3 / branches of lumbar plexus Quadriceps: L 2 -4 / femoral nerve Adductors: L 2 -4 / obturator nerve Anterior tibialis: L 4 / deep peroneal nerve Dorsiflexiors: L 5 / deep peroneal nerve EHL: L 5 / deep peroneal nerve Plantarflexors: S 1 / tibial nerve Evertors: S 1 / superficial peroneal nerve Gluteus medius: L 5 / superior gluteal nerve Gluteus maximus: S 1 / inferior gluteal nerve

Psoas (L 1, 2, 3 / branches of lumbar plexus)

Quadriceps – hip flexion (L 2 -4 / femoral nerve)

Quadriceps – knee extension (L 2 -4 /femoral nerve)

Adductors (L 2 -4 / obturator nerve)

Anterior tibialis (dorsiflexion & inversion) (L 4 / peroneal nerve – deep branch)

Dorsiflexors (L 5 / peroneal nerve – deep branch)

Extensor Hallicus Longus (EHL) (L 5 / peroneal nerve – deep branch)

Plantarflexors (S 1 / tibial nerve)

Evertors (S 1 / peroneal nerve –superficial branch)

Gluteus Medius (L 4, L 5, S 1 / superior gluteal nerve)

Gluteus maximus (L 5, S 1, S 2 / inferior gluteal nerve)