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Ch.8 Hip and Pelvic
Hip joint and pelvic girdle
| Term | Definition |
|---|---|
| Hip Flexors | iliopsoas, pectineus, rectus femoris, sartorius (IRS-P) |
| Hip Adductors | Adductor brevis, adductor longus, adductor magnus, gracilis (BLM-G) |
| Hip Extenders | Gluteus Maximus, biceps femoris, semitendinosus, semimembranosus, external rotators (MB-SSE) |
| Hip Abductors | Gluteus Medius, gluteus minimus, external rotators, TFL (M-MET) |
| Plane; Axis of Rotation of Flexion | sagittal plane around the transverse axis |
| Plane; Axis of Rotation of Adduction | frontal plane; sagittal axis |
| Plane; Axis of Rotation of Extension | sagittal plane around the transverse axis |
| Plane; Axis of Rotation of Abduction | frontal plane; sagittal axis |
| how is walking different than running in terms of hip joint muscle action and range of motion? | When running, gluteus maximus is more active than when walking which is causing the gluteus Medius to be more at work |
| Plane; Axis of Rotation of Internal Rotation | transversal plane around the longitudinal axis |
| Plane; Axis of Rotation of External Rotation | transversal plane around the longitudinal axis |
| iliopsoas | Action: Flexion of hip, External Rotation of Hip Origin: Lumbar vertebrae, ilium Antagonist: gluteus Maximus |
| pectineus | Action: Flexion, Adduction of Hip, External Rotation of hip Origin: Pubis Antagonist: Gluteus Maximus |
| rectus femoris | Action: Flexion of Hip, Extension of Knee, Anterior pelvic rotate Origin: iliac spine Antagonist: Biceps Femoris |
| sartorius | Flexion of hip, Flexion of knee, external rotation, abduct hip Origin: iliac spine Antagonist: Rectus femoris |
| gluteus maximus | Action: Extension of Hip, external rotation of Hip Origin: iliac crest Antagonist: iliopsoas |
| external rotators | Action: External Rotation of Hip Origin: iliac spine Antagonist: gluteus Medius/minimus, TFL and the hip adductors |
| semitendinosus/semimembranosus | Action: Flexion of Knee, Extension of Hip, internal rotation of hip, internal rotation of knee, posterior pelvic rotation Origin: ischial tuberosity Antagonist: Iliopsoas, Pectineus, TFL, Adductor brevis, Sartorius |
| biceps femoris | Action: Flexion, Extension, external rotation of hip Origin: ischial tuberosity Antagonist: Rectus Femoris |
| gluteus medius | Action: abduction, external rotation, internal rot, stabilize pelvis when walking Origin: ilium Antagonist: adductor group |
| gluteus minimus | Action: abduction of hip, flexion of hip, anterior pelvic rotation, stabilizes walking, deepest Origin: ilium Ant: adductor muscle group |
| TFL (Tensor fasciae latae) | Action: Abduction of hip, flexion of hip Origin: iliac crest Antagonist: gluteus maximus and the adductor magnus |
| adductor brevis | Action: external rotation, flexion, adduction Origin: Pubis Antagonist: Abduction group; Gluteus Maximus |
| adductor longus | Action: hip adduction, hip flexion Origin: Pubis Antagonist: Abductor group; Gluteus Maximus |
| adductor magnus | Action: Adduction of Hip, External rotation, Extension Origin: Pubis Antagonist: Abductor group; Gluteus Maximus |
| gracilis | Action: Adduction of Hip, internal rotation of hip Origin: Pubis Antagonist: gluteus maximus, adductor magnus. |
| Which of the following pairings represents the truest agonist-antagonist relationship? | Rectus femoris and semimembranosus |
| The obturator nerve innervates both the adductor longus and the gracilis muscles. T/F | True |
| Anteriorly, the iliofemoral, or Z, ligament prevents hip hyperextension. T/F | False |
| Which of the following statements is true about the biceps femoris muscle? | It has some fibers that are not involved in knee flexion. |
| The sciatic nerve tibial division innervates both the semitendinosus and semimembranosus muscles. T/F | True |
| Agonist muscles during hip extension include all of the following except the: | sartorius muscle |
| The sartorius, the gracilis, and the semitendinosus muscles insert on the anterior medial surface of the tibia just below the condyle. T/F | True |
| Which of the following is considered to be an agonist muscle to the tensor fascia latae during hip abduction? | Gluteus Medius muscle |
| Stand on the right foot and attempt to abduct the left hip as much as possible, which of the following will most likely result? | Right lateral pelvic rotation |
| Which of the following pairing represents the truest agonist relationship? | Semimembranosus and semitendinosus |
| Internal Rotators | semitendinosus, semimembranosus, Gluteus Minimus, TFL, gracilis (SS.MTG) |
Created by:
amy.still
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