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Skeletal Muscles

Anterior

QuestionAnswer
Name the process when specific muscles contract & shorten Concentric muscle work
When key skeletal muscles are used during "concentric muscle work" they are known as what ? (PM) Prime Mover
Deltoids "Location" - origin & insertion Shoulder / clavicle & upper scapula / upper humerus
Deltoids - primary concentric actions ? A,FE,HFE,IER abduction / flexion & extension / horizontal flexion & extension / internal & external rotation of the shoulder joint
Pectoralis Major "Location" - origin & insertion Chest / Medial Clavical & Sternum / Upper humerus
Pectoralis Major - primary concentric actions ? F,HF,A,IR Flexion, Horizontal flexion, adduction & internal rotation of the shoulder joint
Biceps (Brachii) "Location" - origin & insertion Arm / Anterior of scapula / upper radius
Biceps (Brachii) - primary concentric actions ? F,S,F Flexion (elbow & shoulder), supination (forearm)
Internal obliques "Location" - origin & insertion sides of abdomen (deeper than ext obliques) / Iliac crest & thoracolumbar fascia / Lower 3 ribs & the fascial connection to the linea alba
Internal obliques - primary concentric actions ? R,LF Rotation & lateral flexion of the spine
External obliques "Location" - origin & insertion sides of abdomen (closer to surface) / outer surface ribs 6 to 12 / lliac crest, pubis bone& fascial connection to linea alba
External obliques - primary concentric actions ? R,LF Rotation & lateral flexion of the spine
Rectus abdominis "Location" - origin & insertion Along center of abdomen / Pubis / Sternum & cartilage of ribs 5 to 7
Rectus abdominis - primary concentric actions ? F,LF Flexion & lateral flexion of the spine & posterior tilting of the pelvis
Hip flexors (lliopsoas) "Location" - origin & insertion through pelvis and onto femur / lliac fossa and lumbar vertabrae / lesser trochanter & femur
Hip flexors (lliopsoas) - primary concentric actions ? F,Ex-R Flexion & external rotation of the hip
Quadriceps "Location" - origin & insertion Front of thigh / anterior iliac spine (AIIS) & femur / Anterior upper tibia via patella /
Quadriceps - primary concentric actions ? FE Flexion of the hip & extension of the knee
Adductor Group "Location" - origin & insertion Inner thigh / Pubis & ischium / upper mid & lower femur
Adductor Group - primary concentric actions ? A,R Adduction & internal rotation of the hip
Tibalis Anterior "Location" - origin & insertion Front of lower leg / Lateral upper tibia / 1st metatarsal 7 medial tarsal
Tibalis Anterior - primary concentric actions ? D,Inv Dorsiflexion & Inversion of the ankle
Transversus abdominis "Location" - origin & insertion Abdomen / lliac crest & thoracolumbar fascia & lower 6 ribs / pubis & fascial connection to the linea alba
Transversus abdominis - primary concentric actions ? Compressing & supporting abdominal contents
Diaphragm "Location" - origin & insertion beneath ribcage / base of sternum, inner surface of lower six ribs and upper 3 lumbar vertabrae / central tendon of the diaphragm
Diaphragm - primary concentric actions ? Drawing the central diaphragmatic tendon downwards & increasing the volume of the thorax
Intercostals "Location" - origin & insertion between ribs / inferior border of the ribs & costal cartilages / Superior border of the rib below
Intercostals - primary concentric actions ? elevating the ribs to aid inspiration and drawing ribs down to aid expiration
Rhomboids "Location" - origin & insertion mid back / Spinous processes of C7 to T5 / medial border of the scapula
Rhomboids - primary concentric actions ? retraction and elevation of the scapula
Abductor group Gluteus medius & Minimus "Location" - origin & insertion outside of the upper thigh / hip - outer surface of the ilium - upper femur & upper tibia (via the ITB)
Abductor group Gluteus medius & - primary concentric actions ? abduction of the hip
what is the name given to the Hip flexors lliopsoas
lliococcygeus is a muscle associated with which part of the pelvis pelvic floor
which muscles are located laterally to the spine the obliques
which deep muscle is located "ANTERIOR" to the spine - (external obliques) - (transverse abdominis) - (erector spinae) - (rectus abdominis) transverse abdominis
muscles close to the surface of the skin are called Superficial
Muscles which lie closer to bone or internal organs are called Deep Muscles
when the abs(rectus abdominis) are concentrically (shortened) contracted what movement is produced in the spine "F" ? Flexion
Created by: LeeNelson
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