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- Origins and Insertions
Origins and Insertions
Science Nurs 131 with Scanga at University of Pennsylvania
About this deck
By: Adeline Davis
Created: 2010-11-01
Size: 93 flashcards
Views: 106
Created: 2010-11-01
Size: 93 flashcards
Views: 106
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sternocleidomastoid
O: manubrium of sternum and medial clavicle
I: mastoid process
PM: flexion (bilateral)
lateral flexion (same side)
rotation (opposite side)
I: mastoid process
PM: flexion (bilateral)
lateral flexion (same side)
rotation (opposite side)
Scalenes (PM)
PM: flexion (bilateral)
lateral flexion (same side)
rotation (opposite side)
inspiration (bilateral)
lateral flexion (same side)
rotation (opposite side)
inspiration (bilateral)
Trapezius, upper
O: occipital bone and ligamentum nuchae
I: lateral clavicle
PM: extension (head)
I: lateral clavicle
PM: extension (head)
Rectus abdominis (PM)
flexion
Internal oblique (PM)
flexion (bilateral)
lateral flexion (same side)
rotation (same side)
lateral flexion (same side)
rotation (same side)
external oblique (PM)
flexion (bilateral)
lateral flexion (same side)
rotation (opposite side)
lateral flexion (same side)
rotation (opposite side)
Transversus abdominis (PM)
compresses abdomen
Erector spinae (PM)
extension
lateral flexion (same side)
rotation (same side)
lateral flexion (same side)
rotation (same side)
Quadratus lumborum (PM)
lateral flexion (same side)
extension (bilateral)
extension (bilateral)
diaphragm (PM)
inspiration
intercostals (PM)
respiration
Serratus anterior (O and I)
O: upper 8 or 9 ribs at side of chest
I: entire anterior length of vertebral border of scapula
I: entire anterior length of vertebral border of scapula
Serratus anterior (PM)
Protraction
Upward rotation
Upward rotation
Pectoralis minor (O and I)
O: anterior surfaces of ribs 3-5
I: coracoid process of scapula
I: coracoid process of scapula
Pectoralis minor (PM)
Depression
Protraction
Downward rotation
Protraction
Downward rotation
Trapezius: Upper, Middle, Lower (O and I)
O: occipital bone, ligamentum nuchae & spinous processes of C7-T12
I: lateral clavicle, acromion & spine of scapula
I: lateral clavicle, acromion & spine of scapula
Trapezius: Upper, Middle, Lower (PM)
Upper: Elevation
Middle: Retraction
Lower: Depression, Upward Rotation
Middle: Retraction
Lower: Depression, Upward Rotation
Levator scapulae (O and I)
O: transverse processes of vertebrae C1-C4
I: vertebral border of scapula, superior to spine
I: vertebral border of scapula, superior to spine
Levator scapulae (PM)
Elevation
Downward rotation
Downward rotation
Rhomboids: Major and Minor (O and I)
O: spinous processes of C7-T1 (minor) and T2-T5 (major)
I: vertebral border of scapula, from spine to inferior angle
I: vertebral border of scapula, from spine to inferior angle
Rhomboids (PM)
Retraction
Elevation
Downward rotation
Elevation
Downward rotation
Pectoralis major: Sternal & Clavicular heads (O and I)
O: sternal end of clavicle, sternum, cartilage of ribs 1-7, aponeurosis of external oblique
I: lateral side of intertubercular sulcus & greater tubercle of humerus
I: lateral side of intertubercular sulcus & greater tubercle of humerus
Pectoralis major: Sternal & Clavicular heads (PM)
Both: Adduction
Sternal: Extension
Clavicular: Flexion
Sternal: Extension
Clavicular: Flexion
Deltoid: Anterior, Middle & Posterior (O and I)
O: lateral calvicle, acromion & spine of scapula
I: deltoid tuberosity of humerus
I: deltoid tuberosity of humerus
Deltoid: Anterior, Middle and Posterior (PM)
Entire muscle: Abduction
Anterior: Flexion
Posterior: Horizontal abduction
Anterior: Flexion
Posterior: Horizontal abduction
Coracobrachialis (PM)
Flexion
Latissimus dorsi (O and I)
O: posterior iliac crest, sacrum, lateral spinous processes of T7-L5, lower 3 ribs
I: lateral side of intertubercular sulcus & greater tubercle of humerus (btwn. insertions of pectoralis and teres major)
I: lateral side of intertubercular sulcus & greater tubercle of humerus (btwn. insertions of pectoralis and teres major)
Latissimus dorsi (PM)
Extension
Adduction
Adduction
Subscapularis (O and I)
O: subscapular fossa
I: lesser tubercle of humerus
I: lesser tubercle of humerus
Subscapularis (PM)
Adduction
Medial rotation
Medial rotation
Teres major (O and I)
O: posterior surface of scapula at inferior angle
I: lateral side of intertubercular sulcus & greater tubercle of humerus
I: lateral side of intertubercular sulcus & greater tubercle of humerus
Teres major (PM)
Extension
Adduction
Medial rotation
Adduction
Medial rotation
Teres minor (O and I)
O: dorsal surface of axillary border of scapula
I: greater tubercle of humerus
I: greater tubercle of humerus
Teres minor (PM)
Lateral rotation
Infraspinatus (O and I)
O: infraspinous fossa of scapula
I: greater tubercle of humerus (btwn. insertions of teres minor & supraspinatus)
I: greater tubercle of humerus (btwn. insertions of teres minor & supraspinatus)
Supraspinatus (O and I)
O: supraspinous fossa of scapula
I: greater tubercle of humerus
I: greater tubercle of humerus
Supraspinatus (PM)
Abduction
*does not cause rotation in rotator cuff
*does not cause rotation in rotator cuff
Rotator cuff muscles
S: supraspinatus
I: infraspinatus
T: teres minor
S: subscapularis
I: infraspinatus
T: teres minor
S: subscapularis
Biceps brachii (O and I)
O: coracoid process; tendon of long head passes along intertubercular sulcus into shoulder joint capsule, attaches at superior edge of glenoid cavity
I: radial tuberosity (and via aponeurosis to medial side of forearm)
I: radial tuberosity (and via aponeurosis to medial side of forearm)
Biceps brachii (PM)
Flexion
Supination
Supination
Brachioradialis (PM)
Flexion
Brachialis (PM)
Flexion
Triceps brachii (O and I)
O: inferior edge of gleniod cavity (long head); posterior shaft of humerus (lateral & medial heads)
I: olecranon process of ulna
I: olecranon process of ulna
Triceps brachii (PM)
Extension
Pronator quadratus (PM)
Pronation
Pronator teres (PM)
Pronation
Supinator (PM)
Supination
Flexor carpi radialis (PM)
Flexion (wrist)
Palmaris longus (PM)
Flexion (wrist)
Flexor digitorum superficilis (PM)
Flexion (phalanges & wrist)
Flexor carpi ulnaris (PM)
Flexion (wrist)
Flexor pollicus longus (PM)
Flexion (thumb)
Flexor digitorum profundus (PM)
Flexion (phalanges)
Extensor carpi radialis longus (PM)
Extension (wrist)
Extensor carpi radialis brevis (PM)
Extension (wrist)
Extensor digitorum (PM)
Extension (phalanges & wrist)
Extensor carpi ulnaris (PM)
Extension (wrist)
Abductor pollicis longus (PM)
Abduction (thumb)
Extensor pollicis brevis (PM)
Extension (thumb)
Adductor pollicis (PM)
Adduction (thumb)
Gluteus maximus (O and I)
O: dorsal ilium, sacrum & coccyx
I: gluteal tuberosity of femur & iliotibial tract
I: gluteal tuberosity of femur & iliotibial tract
Gluteus maximus (PM)
Extension
Lateral rotation
Lateral rotation
Gluteus medius (O and I)
O: lateral surface of ilium
I: lateral side of greater trochanter of femur
I: lateral side of greater trochanter of femur
Gluteus medius (PM)
Abduction
Gluteus minimus (PM)
Medial rotation
Piriformis and Lateral Rotator group (PM)
Lateral rotation
Hamstrings (PM)
Extension
Adductors: Magnus, Longus, Brevis (PM)
Adduction
Gracilis (PM)
Adduction
Iliopsoas: iliacus + psoas major (O and I)
O: iliac fossa (iliacus); lateral vertebral bodies T12-L4 & discs (psoas major)
I: lesser trochanter of femur
I: lesser trochanter of femur
Iliopsoas (PM)
Flexion
Rectus femoris (O and I)
O: anterior inferior iliac spine & superior edge of acetabulum
I: patella & tibial tuberosity via quadriceps tendon
I: patella & tibial tuberosity via quadriceps tendon
Rectus femoris (PM)
Flexion
Semimembranosus (O and I)
O: ischial tuberosity
I: medial condyle of tibia
I: medial condyle of tibia
Semimembranosus (PM)
Flexion
Semitendinosus (O and I)
O: ischial tuberosity
I: medial surface of upper tibia
I: medial surface of upper tibia
Semitendinosus (PM)
Flexion
Biceps femoris (O and I)
O: ischial tuberosity (long head) & linea aspera to distal femur (short head)
I: lateral head of fibula and condyle of tibia
I: lateral head of fibula and condyle of tibia
Biceps femoris (PM)
Flexion
Quadriceps: Rectus femoris, V. lateralis, V. intermedius, V. medialis (O and I)
O: ant. inf. iliac spine & sup. edge of acetabulum (RF); linea aspera, post. femur & great. troch. (VL); ant. & lat. shaft of prox. femur (VI); linea aspera along post. & med. femur to med. condyle (VM)
I: patella & tibial tuber.
I: patella & tibial tuber.
Quadriceps: Rectus femoris, V. lateralis, V. intermedius, V. medialis (PM)
Extension
Gastrocnemius (O and I)
O: by 2 heads from medial & lateral condyles of femur
I: posterior calcaneous via calcaneal tendon
I: posterior calcaneous via calcaneal tendon
Gastrocnemius (PM)
Plantar flexion (ankle)
Soleus (O and I)
O: extensive origin from superior tibia, fibula and interosseous mem.
I: posterior calcaneus via calcaneal tendon
I: posterior calcaneus via calcaneal tendon
Soleus (PM)
Plantar flexion (ankle)
Tibialis posterior (PM)
Inversion (foot)
Flexor digitorum longus (PM)
Flexion (toes 2-5)
Flexor hallucis longus (PM)
Flexion (great toe)
Fibularis (peroneus) longus (PM)
Eversion (foot)
Fibularis (peroneus) brevis (PM)
Eversion (foot)
Tibialis anterior (PM)
Dorsiflexion (ankle)
Inversion (ankle)
Inversion (ankle)
Extensor digitorum longus (PM)
Dorsiflexion (ankle)
Eversion (foot)
Extension (toes 2-5)
Eversion (foot)
Extension (toes 2-5)
Extensor hallicus longus (PM)
Extension (great toe)
About this deck
By: Adeline Davis
Created: 2010-11-01
Size: 93 flashcards
Views: 106
Created: 2010-11-01
Size: 93 flashcards
Views: 106
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj