Term
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Definition
Origin: Manubrium of sternum and clavicle
Insertion: Mastoid Process of temporal bone
Action: acting independently, rotates and extends head toward shoulder on opposite side. |
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Term
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Definition
Origin: Clavicle, Sternum, Cartilage of Ribs
Insertion: Humerus
Action: Prime mover of arm flexion |
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Term
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Definition
Origin: Ribs 1-8
Insertion: Scapula
Action: Rib elevation protracts and rotates scapula |
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Term
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Definition
Origin: Clavicle; acromion and spine of scapula
Insertion: Deltoid tuberosity of humerus
Action: Prime mover of arm abduction |
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Term
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Definition
Origin: Ribs 3-5
Insertion: Coracoid process of scapula
Action: With ribs fixed, draws scapula forward and inferiorly |
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Term
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Definition
Origin: Inferior border of rib above
Insertion: Superior border of rib below
Action: Pulls ribs toward one another to elevate rib cage; aids in inspiration |
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Term
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Definition
Origin: Superior border of rib below
Insertion: Inferior border of rib above
Action: Aids in forced expiration |
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Term
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Definition
| Action: Prime mover of inspiration flattens on contraction |
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Term
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Definition
Origin: Pubic crest and symhysis
Insertion: Xiphoid process and costal cartilages of ribs
Action: Abdominal Compression |
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Term
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Definition
Origin: Last eight ribs
Insertion: Linea and alba, pubic crest, and iliac crest.
Action: Aids muscles of back in trunk rotation and lateral flexion |
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Term
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Definition
Origin: Lumbar fascia, iliac crest, and inguinal ligament
Insertion: Linea alba, pubic crest, and costal cartilages of last three ribs
Action: As for external oblique |
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Term
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Definition
Origin: Inguinal ligament, iliac crest, cartilages of last five or six ribs
Insertion: Linea alba and pubic crest
Action: Compresses abdominal contents |
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Term
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Definition
Origin: Occipital bone; vertebrae
Insertion: Acromion and spinous process of scapula; clavicle
Action: Extends head; superior fibers elevate scapula |
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Term
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Definition
Origin: Lower vertebrae, last three to four ribs, and iliac crest
Insertion: Humerus
Action: Prime mover of arm extension |
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Term
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Definition
Origin: Infraspinous fossa of scapula
Insertion: Greater tubercle of humerus
Action: Lateral rotation of humerus |
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Term
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Definition
Origin: Scapula
Insertion: Greater tubercle of humerus
Action: Lateral rotation of humerus |
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Term
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Definition
Origin: Scapula
Insertion: Humerus
Action: Extends and adducts humerus |
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Term
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Definition
Origin: Scapula
Insertion: Humerus
Action: Adduction and flexion of humerus |
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Term
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Definition
Origin: Supraspinous fossa of scapula
Insertion: Greater tubercle of humerus
Action: Abduction of humerus |
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Term
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Definition
Origin: Transverse processes of C1-C4
Insertion: Medial border of scapula
Action: Elevates and adducts scapula |
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Term
| Rhomboids- major and minor |
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Definition
Origin: Spinous processes of vertebrae
Insertion: Medial border of scapula
Action: PUlls scapula medially (retraction); scapula elevation |
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Term
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Definition
Origin: Ilium & Vertebrae
Insertion: Ribs and Vertebrae
Action: Extend the vertebral column |
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Term
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Definition
Origin: Long head- humerus; lateral head- humerus; medial head- humerus
Insertion: Olecranon process of ulna
Action: Forearm Extensor |
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Term
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Definition
Origin: Coracoid process and glenoid fossa of scapula
Insertion: Radial Tuberosity
Action: Flexion and supination of forearm |
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Term
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Definition
Origin: Humerus
Insertion: Styloid process of radius
Action: Forearm Flexion |
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Term
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Definition
Origin: Humerus
Insertion: Coronoid process of ulna
Action: Flexor of forearm |
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Term
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Definition
Origin: Coracoid Process of Scapula
Insertion: Humerus
Action: Flexion and adduction of humerus |
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Term
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Definition
Origin: Medial Epicondyle
Insertion: Midshaft of radius
Action: Pronate forearm |
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Term
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Definition
Origin: Lateral epicondyle of humerus; ulna
Insertion: Proximal end of radius
Action: Supinate forearm Iliopsoa |
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Term
| Iliopsoas- iliacus and psoas major |
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Definition
Origin: Iliacus-ilium sacrum; psoas major- lumbar vertebrae
Insertion: Lesser trochanter of femur
Action: Flex thigh; Lateral flexion of vertebral column |
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Term
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Definition
Origin: Anterior superior iliac spine
Insertion: Proximal tibia
Action: Flexes thigh; flexes knee |
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Term
| Adductors- magnus, longus, and brevis |
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Definition
Origin: Magnus- ischuium and pubis longus- pubic symphysis; brevis - pubis
Insertion: Femur
Action: Adduct and medially rotate and flex thigh; |
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Term
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Definition
Origin: Pubis
Insertion: Lesser trochanter of femur
Action: Flex thigh; lateral flexion of vertebral column |
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Term
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Definition
Origin: Pubis
Insertion: Tibia
Action: Adducts thigh |
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Term
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Definition
Origin: Anterior inferior iliac spine and acetabulum
Insertion: Tibial Tuberosity and patella
Action: Extends knee and flexes thigh at hip |
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Term
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Definition
Origin: Greater trochanter of femur
Insertion: Tibial tuberosity and patella
Action: Extends Knee |
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Term
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Definition
Origin: Femur
Insertion: Tibial Tuberosity and Patella
Action: Extends Knee |
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Term
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Definition
Origin: Femur
Insertion: Tibial tuberosity and patella
Action: Extends Knee |
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Term
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Definition
Origin: Iliac crest and iliac spine
Insertion: Iliotibial tract
Action: Extends Knee |
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Term
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Definition
Origin: Ilium, Sacrum, and coccyx
Insertion: Femur and iliotibial tract
Action: Thigh Extensor; laterally rotates thigh |
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Term
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Definition
Origin: Ilium
Insertion: Greater trochanter of femur
Action: Abducts and medially rotates thigh |
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Term
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Definition
Origin: Ilium
Insertion: Great trochanter of femur
Action: Abducts and medially rotates thigh |
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Term
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Definition
Origin: Sacrum
Insertion: Femur
Action: Lateral thigh rotation |
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Term
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Definition
Origin: Ischial tuberosity femur
Insertion: Fibula
Action: Extens thigh; flexes knee |
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Term
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Definition
Origin: Ischial tuberosity
Insertion: Tibia and Fibula
Action: Extends thigh; flexes knee |
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Term
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Definition
Origin: Ischial tuberosity
Insertion: tibia and Fibula
Action: Extends thigh; flex knee |
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Term
| Fibularis (peroneus) longus |
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Definition
Origin: head of fibula
Insertion: Tarsal, metatarsal
Action: plantar flexes foot |
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Term
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Definition
Origin: Lateral condyle of tibia
Insertion: Tarsal, metatarsal
Action: Prime mover of dorsiflexion; inverts foot; toe extension |
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Term
| Extensor digitorum Longus |
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Definition
Origin: Lateral condyle of tibia; proximal fibula
Insertion: Middel and distal phalanges of toes
Action: Prime mover of toe extension; dorsiflexes foot, foot eversion |
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Term
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Definition
Origin: Shaft of fibula and interosseous membrane
Insertion: Tendon inserts on distal phalanx of great toe
Action: Extends great toe; dorsiflexes foot |
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Term
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Definition
Origin: medial and lateral condyles of femur
Insertion: Calcaneus
Action: Plantar flexes foot; flexes knee |
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Term
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Definition
Origin: Proximal portion of tibia and fibula
Insertion: Calcaneus
Action: Plantar flexion |
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Term
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Definition
Origin: Superior portion of tibia and fibula
Insertion: Tarsals and metatarsals
Action: Prime mover of foot inversion; plantar flexes foot |
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Term
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Definition
Origin: Posterior surface of tibia
Insertion: Distal phalanges of toes
Action: Flexes toes; plantar flexes and inverts foot |
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Term
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Definition
Origin: Middle portion of fibula shaft; interosseous membrane
Insertion: tendon runs under foot to distal phalanx of great toe
Action: Flexes great toe; plantar flexes and inverts foot; the "push- off muscle" during walking |
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