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Ch.8 Hip and Pelvic

Hip joint and pelvic girdle

TermDefinition
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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