Hip Flexion & extension

Muscles involved

        Rectus femoris, psoas major, glute major and hamstrings

Protocols

Patients

        Contraction type

Concentric/concentric

Strength

90⁰/sec x 10 reps

Endurance

180⁰/sec x 25 reps

Athletes

        Contraction type

Concentric/eccentric

Strength

45⁰/sec working up in 45⁰/sec increments to maximal achievable speed x 5 reps

Endurance

240⁰/sec x maximal number of repetitions

Research

        Contraction type

Concentric/concentric followed by eccentric/eccentric

Strength

Random speeds in increments of 45⁰/sec x 2-5 reps

Endurance

240⁰/sec for maximal repetitions

Rest between speeds

                        < 4 minutes

Rest between tests

                        < 5 minutes

Rest between sides

                        < 5 minutes

Notes

        Test the uninvolved or dominant limb first.  Stabilisation difficult.