NASM essentials of sports performance training
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NASM essentials of sports performance training


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\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Obturator nerve
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ADDUCTOR MAGNUS, POSTERIOR FIBERS
ORIGIN
\u2022 Ischial tuberosity of the pelvis
INSERTION
\u2022 Adductor tubercle on femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip adduction, extension and external rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip abduction, flexion and internal rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Sciatic nerve
ADDUCTOR BREVIS
ORIGIN
\u2022 Anterior surface of the inferior pubic ramus of the pelvis
INSERTION
\u2022 Proximal one-third of the linea aspera of the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip adduction, flexion and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip abduction, extension and external rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Obturator nerve
GRACILIS
ORIGIN
\u2022 Anterior aspect of lower body of pubis 
INSERTION
\u2022 Proximal medial surface of the tibia (pes anserine)
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip adduction, flexion and internal rotation; assists in tibial
internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip abduction, extension and external rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex and knee
INNERVATION
\u2022 Obturator nerve
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PECTINEUS
ORIGIN
\u2022 Pectineal line on the superior pubic ramus of the pelvis
INSERTION
\u2022 Pectineal line on the posterior surface of the upper femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip adduction, flexion and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip abduction, extension and external rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Obturator nerve
GLUTEUS MEDIUS, ANTERIOR FIBERS
ORIGIN
\u2022 Outer surface of the ilium
INSERTION
\u2022 Lateral surface of the greater trochanter on the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip abduction and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip adduction and external rotation
Isometric Action
\u2022 Dynamically stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Superior gluteal nerve
GLUTEUS MEDIUS, POSTERIOR FIBERS
ORIGIN
\u2022 Outer surface of the ilium
INSERTION
\u2022 Lateral surface of the greater trochanter on the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip abduction and external rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip adduction and internal rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Superior gluteal nerve
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GLUTEUS MINIMUS
ORIGIN
\u2022 Ilium between the anterior and inferior gluteal line
INSERTION
\u2022 Greater trochanter of the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip abduction, flexion, and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates frontal plane hip adduction, extension, and external rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Superior gluteal nerve
TENSOR FASCIA LATAE
ORIGIN
\u2022 Outer surface of the iliac crest just posterior to the anterior-superior
iliac spine of the pelvis
INSERTION
\u2022 Proximal one-third of the iliotibial band
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip flexion, abduction and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip extension, adduction and external rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Superior gluteal nerve
GLUTEUS MAXIMUS
ORIGIN
\u2022 Outer ilium, posterior side of sacrum and coccyx and part of the sacro-
tuberous and posterior sacroiliac ligament
INSERTION
\u2022 Gluteal tuberosity of the femur and iliotibial tract
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip extension and external rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip flexion, internal rotation, and tibial internal rotation
via the iliotibial band
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Inferior gluteal nerve
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PSOAS
ORIGIN
\u2022 Transverse processes and lateral bodies of the last thoracic and all lum-
bar vertebrae including intervertebral discs
INSERTION
\u2022 Lesser trochanter of the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip flexion and external rotation, extends and rotates lum-
bar spine
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip internal rotation and decelerates hip extension
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Spinal nerve branches of L2-L4
SARTORIUS
ORIGIN
\u2022 Anterior-superior iliac spine of the pelvis
INSERTION
\u2022 Proximal medial surface of the tibia
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip flexion, external rotation and abduction, accelerates
knee flexion and internal rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip extension, external rotation, knee extension and exter-
nal rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex and knee
INNERVATION
\u2022 Femoral nerve
PIRIFORMIS
ORIGIN
\u2022 Anterior surface of the sacrum 
INSERTION
\u2022 The greater trochanter of the femur
ISOLATED FUNCTION
Concentric Action
\u2022 Accelerates hip external rotation, abduction and extension
INTEGRATED FUNCTION
Eccentric Action
\u2022 Decelerates hip internal rotation, adduction and flexion
Isometric Action
\u2022 Stabilizes the hip and sacroiliac joints
INNERVATION
\u2022 Sciatic nerve
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RECTUS ABDOMINUS
ORIGIN
\u2022 Pubic symphysis of the pelvis
INSERTION
\u2022 Ribs 5-7
ISOLATED FUNCTION
Concentric Action
\u2022 Spinal flexion, lateral flexion and rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Spinal extension, lateral flexion and rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Intercostal nerve T7-T12
Abdominal Musculature
EXTERNAL OBLIQUE
ORIGIN
\u2022 External surface of ribs 4-12
INSERTION
\u2022 Anterior iliac crest of the pelvis, linea alba and contralateral rectus
sheaths
ISOLATED FUNCTION
Concentric Action
\u2022 Spinal flexion, lateral flexion and contralateral rotation
INTEGRATED FUNCTION
Eccentric Action
\u2022 Spinal extension, lateral flexion and rotation
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex
INNERVATION
\u2022 Intercostal nerves (T8-T12), iliohypogastric (L1), ilioinguinal (L1)
INTERNAL OBLIQUE
ORIGIN
\u2022 Anterior two-thirds of the iliac crest of the pelvis and thoracolumbar
fascia
INSERTION
\u2022 Ribs 9-12, linea alba and contralateral rectus sheaths
ISOLATED FUNCTION
Concentric Action
\u2022 Spinal flexion (bilateral), lateral flexion and ipsilateral rotation 
INTEGRATED FUNCTION
Eccentric Action
\u2022 Spinal extension, rotation and lateral flexion
Isometric Action
\u2022 Stabilizes the lumbo-pelvic-hip complex 
INNERVATION
\u2022 Intercostal nerves (T8-T12), iliohypogastric (L1), ilioinguinal (L1)
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TRANSVERSE ABDOMINUS
ORIGIN
\u2022 Ribs 7-12, anterior two-thirds of the iliac crest of the pelvis and
thoracolumbar fascia
INSERTION
\u2022 Lineae alba and contralateral rectus sheaths
ISOLATED FUNCTION
Concentric Action
\u2022 Increases intra-abdominal