Hip Articulations

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Hip Flexion Bending the joint resulting in a decrease of angle; moving the thigh or top of the pelvis forward. Iliopsoas Tensor fasciae latae Rectus femoris Sartorius Adductor longus Adductor brevis Pectineus Extension Straightening the joint resulting in an increase of angle; moving the thigh or top of the pelvis backward. Gluteus maximus Semitendiunosus Semimembranosus Biceps femoris (long head) Adductor magnus (ischial fibers) Adduction Medial movement toward the midline of the body; moving the thigh inward with hip straight. Adductors Pectineus Gracilis Gluteus maximus, lower fibers Abduction Lateral movement away from the midline of the body; moving the thigh outward with hip straight. Gluteus medius Gluteus minimus Tensor fasciae latae Sartorius Transverse Adduction Medial movement toward the midline of the body in a horizontal plane; moving the thigh inward with hip bent. Adductors Pectineus Gracilis Transverse Abduction Lateral movement away from the midline of the body in a horizontal plane; moving the thigh outward with hip bent. Gluteus maximus Gluteus medius Gluteus minimus Piriformis Obturator externus Medial Rotation (Internal Rotation) Rotary movement around the longitudinal axis of the bone toward the center of the body; turning the thigh or pelvis inward. Tensor fasciae latae Gluteus medius Gluteus minimus, anterior fibers Piriformis (with hip flexed)   Lateral Rotation (External Rotation) Rotary movement around the longitudinal axis of the bone away from the center of the body; turning the thigh or pelvis outward. Gemellus superior Gemellus inferior Obturator internus Obturator externus Quadratus femoris Piriformis Gluteus maximus Sartorius Gluteus medius, posterior fibers   Notes Mentioned articulations occur during concentric phase of exercise video examples.