BIOL 325L Practical 3 (Appendicular)

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Last updated 6:10 AM on 11/3/25
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66 Terms

1
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Adductor brevis

  • Origin: Pubis

  • Insertion: Femur

  • Action: Hip adduction

<ul><li><p><u>Origin:</u>&nbsp;Pubis</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip adduction</p></li></ul><p></p>
2
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Adductor longus

  • Origin: Pubis

  • Insertion: Femur

  • Action: Hip adduction

<ul><li><p><u>Origin:</u>&nbsp;Pubis</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip adduction</p></li></ul><p></p>
3
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Adductor magnus

  • Origin: Pubis

  • Insertion: Femur

  • Action: Hip adduction

<ul><li><p><u>Origin:</u>&nbsp;Pubis</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip adduction</p></li></ul><p></p>
4
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Biceps brachii, long head

  • Origin: Scapula

  • Insertion: Radius

  • Action: Elbow flexion, shoulder flexion, forearm supination

<ul><li><p><u>Origin:</u>&nbsp;Scapula</p></li><li><p><u>Insertion:</u>&nbsp;Radius</p></li><li><p><u>Action:</u>&nbsp;<strong>Elbow flexion</strong>, shoulder flexion, forearm supination</p></li></ul><p></p>
5
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Biceps brachii, short head

  • Origin: Scapula

  • Insertion: Radius

  • Action: Elbow flexion, forearm supination

<ul><li><p><u>Origin:</u>&nbsp;Scapula</p></li><li><p><u>Insertion:</u>&nbsp;Radius</p></li><li><p><u>Action:</u>&nbsp;<strong>Elbow flexion</strong>, forearm supination</p></li></ul><p></p>
6
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Biceps femoris, long head

  • Origin: Ischium & femur

  • Insertion: Fibula

  • Action: Knee flexion

<ul><li><p><u>Origin:</u>&nbsp;Ischium &amp; femur</p></li><li><p><u>Insertion:</u>&nbsp;Fibula</p></li><li><p><u>Action:</u>&nbsp;Knee flexion</p></li></ul><p></p>
7
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Brachialis

  • Origin: Humerus

  • Insertion: Ulna

  • Action: Elbow flexion

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Ulna</p></li><li><p><u>Action:</u>&nbsp;Elbow flexion</p></li></ul><p></p>
8
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Brachioradialis

  • Origin: Humerus

  • Insertion: Radius (radialis)

  • Action: Elbow flexion

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Radius </strong>(radialis)</p></li><li><p><u>Action:</u>&nbsp;Elbow flexion</p></li></ul><p></p>
9
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Coracobrachialis

  • Origin: Scapula, coracoid process

  • Insertion: Humerus; brachium—upper arm

  • Action: Shoulder adduction, flexion

<ul><li><p><u>Origin:</u>&nbsp;Scapula, coracoid process</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Humerus</strong>; brachium—upper arm</p></li><li><p><u>Action:</u>&nbsp;<strong>Shoulder adduction</strong>, flexion</p></li></ul><p></p>
10
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Deltoid

  • Origin: Clavicle & scapula

  • Insertion: Humerus, deltoid tuberosity

  • Action: Shoulder flexion, abduction, extension (regional differences)

<ul><li><p><u>Origin:</u>&nbsp;Clavicle &amp; scapula</p></li><li><p><u>Insertion:</u>&nbsp;Humerus, deltoid tuberosity</p></li><li><p><u>Action:</u>&nbsp;<strong>Shoulder flexion</strong>, abduction, extension (regional differences)</p></li></ul><p></p>
11
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Extensor carpi radialis brevis

  • Origin: Humerus

  • Insertion: Metacarpal (but runs length of ‘radius’)

  • Action: Wrist (carpi) extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Metacarpal (but runs length of&nbsp;‘radius’)</p></li><li><p><u>Action:</u>&nbsp;Wrist (carpi) extension</p></li></ul><p></p>
12
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Extensor carpi radialis longus

  • Origin: Humerus

  • Insertion: Metacarpal (but runs length of ‘radius’)

  • Action: Wrist (carpi) extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Metacarpal </strong>(but runs length of&nbsp;‘radius’)</p></li><li><p><u>Action:</u>&nbsp;Wrist (carpi) extension</p></li></ul><p></p>
13
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Extensor carpi ulnaris

  • Origin: Humerus

  • Insertion: Metacarpal (but runs length of ‘ulna’)

  • Action: Wrist (carpi) extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Metacarpal (but runs length of&nbsp;‘ulna’)</p></li><li><p><u>Action:</u>&nbsp;Wrist (carpi) extension</p></li></ul><p></p>
14
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Extensor digitorum

  • Origin: Humerus

  • Insertion: Digits, fingers

  • Action: Finger (digit) extension, wrist extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Digits</strong>, fingers</p></li><li><p><u>Action:</u>&nbsp;<strong>Finger (digit) extension</strong>, wrist extension</p></li></ul><p></p>
15
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Extensor digitorum longus

  • Origin: Tibia & fibula

  • Insertion: Digits, toes

  • Action: Toe (digit) extension

<ul><li><p><u>Origin:</u>&nbsp;<strong>Tibia </strong>&amp; fibula</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Digits</strong>, toes</p></li><li><p><u>Action:</u>&nbsp;Toe (digit) extension</p></li></ul><p></p>
16
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Extensor hallucis longus

  • Origin: Fibula

  • Insertion: Big toe (hallux)

  • Action: Big toe (hallux) extension

<ul><li><p><u>Origin:</u>&nbsp;Fibula</p></li><li><p><u>Insertion:</u>&nbsp;Big toe (hallux)</p></li><li><p><u>Action:</u>&nbsp;Big toe (hallux) extension</p></li></ul><p></p>
17
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Extensor pollicis brevis

  • Origin: Radius

  • Insertion: Digit 1, thumb (pollex)

  • Action: Thumb (pollex) extension

<ul><li><p><u>Origin:</u>&nbsp;Radius</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Digit 1, thumb</strong> (pollex)</p></li><li><p><u>Action:</u>&nbsp;Thumb (pollex) extension</p></li></ul><p></p>
18
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Extensor pollicis longus

  • Origin: Ulna

  • Insertion: Digit 1, thumb (pollex)

  • Action: Thumb (pollex) extension

<ul><li><p><u>Origin:</u>&nbsp;Ulna</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Digit 1, thumb</strong> (pollex)</p></li><li><p><u>Action:</u>&nbsp;Thumb (pollex) extension</p></li></ul><p></p>
19
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Flexor carpi radialis

  • Origin: Humerus

  • Insertion: Metacarpals (but runs length of ‘radius’)

  • Action: Wrist (carpi) flexion

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Metacarpals </strong>(but runs length of&nbsp;‘radius’)</p></li><li><p><u>Action:</u>&nbsp;Wrist (carpi) flexion</p></li></ul><p></p>
20
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Flexor carpi ulnaris

  • Origin: Humerus

  • Insertion: Metacarpal 5 (but runs length of ‘ulna’), carpals

  • Action: Wrist (carpi) flexion

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Metacarpal 5 (but runs length of ‘ulna’), <strong>carpals</strong></p></li><li><p><u>Action:</u>&nbsp;Wrist (carpi) flexion</p></li></ul><p></p>
21
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Flexor digitorium longus

  • Origin: Tibia

  • Insertion: Digits, toes

  • Action: Toe (digit) flexion

<ul><li><p><u>Origin:</u>&nbsp;Tibia</p></li><li><p><u>Insertion:</u>&nbsp;<strong>Digits</strong>, toes</p></li><li><p><u>Action:</u>&nbsp;Toe (digit) flexion</p></li></ul><p></p>
22
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Flexor digitorum superficialis

  • Origin: Humerus, ulna

  • Insertion: Digits, fingers

  • Action: Finger (digit) flexion, wrist extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus, ulna</p></li><li><p><u>Insertion:</u>&nbsp;Digits, fingers</p></li><li><p><u>Action:</u>&nbsp;<strong>Finger (digit) flexion</strong>, wrist extension</p></li></ul><p></p>
23
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Flexor hallucis longus

  • Origin: Fibula

  • Insertion: Big toe (hallux)

  • Action: Big toe (hallux) flexion

<ul><li><p><u>Origin:</u>&nbsp;Fibula</p></li><li><p><u>Insertion:</u>&nbsp;Big toe (hallux)</p></li><li><p><u>Action:</u>&nbsp;Big toe (hallux) flexion</p></li></ul><p></p>
24
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Flexor pollicis longus

  • Origin: Radius

  • Insertion: Digit 1, thumb (pollex)

  • Action: Thumb (pollex) flexion

<ul><li><p><u>Origin:</u>&nbsp;Radius</p></li><li><p><u>Insertion:</u>&nbsp;Digit 1, thumb (pollex)</p></li><li><p><u>Action:</u>&nbsp;Thumb (pollex) flexion</p></li></ul><p></p>
25
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Gastrocnemius

  • Origin: Femur

  • Insertion: Calcaneus

  • Action: Plantar flexion

<ul><li><p><u>Origin:</u>&nbsp;Femur</p></li><li><p><u>Insertion:</u>&nbsp;Calcaneus</p></li><li><p><u>Action:</u>&nbsp;Plantar flexion</p></li></ul><p></p>
26
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Gluteus maximus

  • Origin: Ilium

  • Insertion: Femur

  • Action: Hip abduction

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip abduction</p></li></ul><p></p>
27
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Gluteus medius

  • Origin: Ilium

  • Insertion: Femur

  • Action: Hip abduction

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip abduction</p></li></ul><p></p>
28
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Gluteus minimus

  • Origin: Ilium

  • Insertion: Femur

  • Action: Hip abduction

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip abduction</p></li></ul><p></p>
29
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Gracilis

  • Origin: Pubis

  • Insertion: Tibia

  • Action: Hip adduction

<ul><li><p><u>Origin:</u>&nbsp;Pubis</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Hip adduction</p></li></ul><p></p>
30
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Iliacus

  • Origin: Ilium, iliac fossa

  • Insertion: Femur

  • Action: Hip flexion

<ul><li><p><u>Origin:</u>&nbsp;<strong>Ilium</strong>, iliac fossa</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip flexion</p></li></ul><p></p>
31
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Infraspinatus

  • Origin: Scapula, infraspinous fossa

  • Insertion: Humerus

  • Action: Shoulder lateral rotation

<ul><li><p><u>Origin:</u>&nbsp;<strong>Scapula</strong>, infraspinous fossa</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;Shoulder lateral rotation</p></li></ul><p></p>
32
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Latissimus dorsi

  • Origin: Vertebrae, thoracic & lumber; ribs 8-12; iliac crest

  • Insertion: Humerus

  • Action: Shoulder extension, adduction

<ul><li><p><u>Origin:</u>&nbsp;<strong>Vertebrae</strong>, thoracic &amp; lumber; ribs 8-12; iliac crest</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;<strong>Shoulder extension</strong>, adduction</p></li></ul><p></p>
33
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Levator scapulae

  • Origin: Vertebrae, cervical; transverse process

  • Insertion: Scapula

  • Action: Scapula (scapulae) elevation (levator)

<ul><li><p><u>Origin:</u>&nbsp;<strong>Vertebrae</strong>, cervical; transverse process</p></li><li><p><u>Insertion:</u>&nbsp;Scapula</p></li><li><p><u>Action:</u>&nbsp;<strong>Scapula (scapulae) elevation</strong> (levator)</p></li></ul><p></p>
34
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Obturator externus

  • Origin: Os coxae, obturator foramen

  • Insertion: Femur

  • Action: Hip lateral rotation

<ul><li><p><u>Origin:</u>&nbsp;Os coxae, obturator foramen</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip lateral rotation</p></li></ul><p></p>
35
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Obturator internus

  • Origin: Os coxae, obturator foramen

  • Insertion: Femur

  • Action: Hip lateral rotation

<ul><li><p><u>Origin:</u>&nbsp;Os coxae, obturator foramen</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip lateral rotation</p></li></ul><p></p>
36
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Palmaris longus

  • Origin: Humerus

  • Insertion: Retinaculum

  • Action: Wrist flexion

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Retinaculum</p></li><li><p><u>Action:</u>&nbsp;Wrist flexion</p></li></ul><p></p>
37
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Pectineus

  • Origin: Pubis

  • Insertion: Femur

  • Action: Hip adduction

<ul><li><p><u>Origin:</u>&nbsp;Pubis</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip adduction</p></li></ul><p></p>
38
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Pectoralis major

  • Origin: Sternum, ribs 2-6, clavicle

  • Insertion: Humerus

  • Action: Shoulder flexion, adduction

<ul><li><p><u>Origin:</u>&nbsp;<strong>Sternum, ribs</strong> 2-6, clavicle</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;<strong>Shoulder flexion</strong>, adduction</p></li></ul><p></p>
39
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Pectoralis minor

  • Origin: Ribs

  • Insertion: Scapula

  • Action: Scapula depression

<ul><li><p><u>Origin:</u>&nbsp;Ribs</p></li><li><p><u>Insertion:</u>&nbsp;Scapula</p></li><li><p><u>Action:</u>&nbsp;Scapula depression</p></li></ul><p></p>
40
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Piriformis

  • Origin: Sacrum

  • Insertion: Femur

  • Action: Hip lateral rotation

<ul><li><p><u>Origin:</u>&nbsp;Sacrum</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip lateral rotation</p></li></ul><p></p>
41
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Pronator quadratus

  • Origin: Ulna

  • Insertion: Radius

  • Action: Forearm pronation

<ul><li><p><u>Origin:</u>&nbsp;Ulna</p></li><li><p><u>Insertion:</u>&nbsp;Radius</p></li><li><p><u>Action:</u>&nbsp;Forearm pronation</p></li></ul><p></p>
42
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Pronator teres

  • Origin: Humerus, ulna

  • Insertion: Radius

  • Action: Forearm pronation

<ul><li><p><u>Origin:</u>&nbsp;Humerus, ulna</p></li><li><p><u>Insertion:</u>&nbsp;Radius</p></li><li><p><u>Action:</u>&nbsp;Forearm pronation</p></li></ul><p></p>
43
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Psoas major

  • Origin: Vertebrae, thoracic & lumbar

  • Insertion: Femur

  • Action: Hip flexion

<ul><li><p><u>Origin:</u>&nbsp;<strong>Vertebrae</strong>, thoracic &amp; lumbar</p></li><li><p><u>Insertion:</u>&nbsp;Femur</p></li><li><p><u>Action:</u>&nbsp;Hip flexion</p></li></ul><p></p>
44
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Rectus femoris

  • Origin: Ilium

  • Insertion: Tibia

  • Action: Knee extension, hip flexion

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;<strong>Knee extension</strong>, hip flexion</p></li></ul><p></p>
45
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Rhomboid major

  • Origin: Vertebrae, thoracic; spinous process

  • Insertion: Scapula

  • Action: Scapula adduction

<ul><li><p><u>Origin:</u>&nbsp;<strong>Vertebrae</strong>, thoracic; spinous process</p></li><li><p><u>Insertion:</u>&nbsp;Scapula</p></li><li><p><u>Action:</u>&nbsp;Scapula adduction</p></li></ul><p></p>
46
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Rhomboid minor

  • Origin: Vertebrae, cervical; spinous process

  • Insertion: Scapula

  • Action: Scapula adduction

<ul><li><p><u>Origin:</u>&nbsp;<strong>Vertebrae</strong>, cervical; spinous process</p></li><li><p><u>Insertion:</u>&nbsp;Scapula</p></li><li><p><u>Action:</u>&nbsp;Scapula adduction</p></li></ul><p></p>
47
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Sartorius

  • Origin: Ilium

  • Insertion: Tibia

  • Action: Hip flexion & lateral rotation, knee flexion & medial rotation

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;<strong>Hip flexion &amp; lateral rotation</strong>, knee flexion &amp; medial rotation</p></li></ul><p></p>
48
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Semimembranosus

  • Origin: Ischium

  • Insertion: Tibia

  • Action: Knee flexion

<ul><li><p><u>Origin:</u>&nbsp;Ischium</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Knee flexion</p></li></ul><p></p>
49
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Semitendinosus

  • Origin: Ischium

  • Insertion: Tibia

  • Action: Knee flexion

<ul><li><p><u>Origin:</u>&nbsp;Ischium</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Knee flexion</p></li></ul><p></p>
50
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Serratus anterior

  • Origin: Ribs

  • Insertion: Scapula

  • Action: Scapula protraction

<ul><li><p><u>Origin:</u>&nbsp;Ribs</p></li><li><p><u>Insertion:</u>&nbsp;Scapula</p></li><li><p><u>Action:</u>&nbsp;Scapula protraction</p></li></ul><p></p>
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Soleus

  • Origin: Tibia & fibula

  • Insertion: Calcaneus

  • Action: Plantar flexion

<ul><li><p><u>Origin:</u>&nbsp;Tibia &amp; fibula</p></li><li><p><u>Insertion:</u>&nbsp;Calcaneus</p></li><li><p><u>Action:</u>&nbsp;Plantar flexion</p></li></ul><p></p>
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Subclavius

  • Origin: Rib 1

  • Insertion: Clavicle

  • Action: Clavicle depression

<ul><li><p><u>Origin:</u>&nbsp;Rib 1</p></li><li><p><u>Insertion:</u>&nbsp;Clavicle</p></li><li><p><u>Action:</u>&nbsp;Clavicle depression</p></li></ul><p></p>
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Subscapularis

  • Origin: Scapula, subscapular fossa

  • Insertion: Humerus

  • Action: Shoulder medial rotation

<ul><li><p><u>Origin:</u>&nbsp;<strong>Scapula</strong>, subscapular fossa</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;Shoulder medial rotation</p></li></ul><p></p>
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Supinator

  • Origin: Humerus, ulna

  • Insertion: Radius

  • Action: Forearm supination

<ul><li><p><u>Origin:</u>&nbsp;<strong>Humerus</strong>, ulna</p></li><li><p><u>Insertion:</u>&nbsp;Radius</p></li><li><p><u>Action:</u>&nbsp;Forearm supination</p></li></ul><p></p>
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Supraspinatus

  • Origin: Scapula, supraspinous fossa scapula

  • Insertion: Humerus

  • Action: Shoulder abduction

<ul><li><p><u>Origin:</u>&nbsp;Scapula, supraspinous fossa scapula</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;Shoulder abduction</p></li></ul><p></p>
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Tensor fasciae latae

  • Origin: Ilium

  • Insertion: Iliotibial tract (IT band)

  • Action: Hip abduction

<ul><li><p><u>Origin:</u>&nbsp;Ilium</p></li><li><p><u>Insertion:</u>&nbsp;Iliotibial tract (IT band)</p></li><li><p><u>Action:</u>&nbsp;Hip abduction</p></li></ul><p></p>
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Teres major

  • Origin: Scapula

  • Insertion: Humerus

  • Action: Shoulder medial rotation

<ul><li><p><u>Origin:</u>&nbsp;Scapula</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;Shoulder medial rotation</p></li></ul><p></p>
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Teres minor

  • Origin: Scapula

  • Insertion: Humerus

  • Action: Shoulder lateral rotation

<ul><li><p><u>Origin:</u>&nbsp;Scapula</p></li><li><p><u>Insertion:</u>&nbsp;Humerus</p></li><li><p><u>Action:</u>&nbsp;Shoulder lateral rotation</p></li></ul><p></p>
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Tibialis anterior

  • Origin: Tibia, anterior

  • Insertion: 1st metatarsal

  • Action: Dorsiflexion

<ul><li><p><u>Origin:</u>&nbsp;<strong>Tibia</strong>, anterior</p></li><li><p><u>Insertion:</u>&nbsp;1st <strong>metatarsal</strong></p></li><li><p><u>Action:</u>&nbsp;Dorsiflexion</p></li></ul><p></p>
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Tibialis posterior

  • Origin: Tibia, posterior

  • Insertion: Cuneiforms

  • Action: Plantar flexion

<ul><li><p><u>Origin:</u>&nbsp;<strong>Tibia</strong>, posterior</p></li><li><p><u>Insertion:</u>&nbsp;Cuneiforms</p></li><li><p><u>Action:</u>&nbsp;Plantar flexion</p></li></ul><p></p>
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trapezius

  • Origin: Vertebrae, thoracic; spinous process

  • Insertion: Clavicle & scapula

  • Action: Scapula elevation, retraction, depression (regional differences)

<ul><li><p><u>Origin:</u>&nbsp;Vertebrae, thoracic; spinous process</p></li><li><p><u>Insertion:</u>&nbsp;Clavicle &amp; scapula</p></li><li><p><u>Action:</u>&nbsp;<strong>Scapula elevation</strong>, retraction, depression (regional differences)</p></li></ul><p></p>
62
New cards

Triceps brachii, lateral head

  • Origin: Humerus

  • Insertion: Ulna

  • Action: Elbow extension

<ul><li><p><u>Origin:</u>&nbsp;Humerus</p></li><li><p><u>Insertion:</u>&nbsp;Ulna</p></li><li><p><u>Action:</u>&nbsp;Elbow extension</p></li></ul><p></p>
63
New cards

Triceps brachii, long head

  • Origin: Scapula

  • Insertion: Ulna

  • Action: Elbow extension, shoulder extension

<ul><li><p><u>Origin:</u>&nbsp;Scapula</p></li><li><p><u>Insertion:</u>&nbsp;Ulna</p></li><li><p><u>Action:</u>&nbsp;<strong>Elbow extension</strong>, shoulder extension</p></li></ul><p></p>
64
New cards

Vastus intermedius

  • Origin: Femur

  • Insertion: Tibia

  • Action: Knee extension

<ul><li><p><u>Origin:</u>&nbsp;Femur</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Knee extension</p></li></ul><p></p>
65
New cards

Vastus lateralis

  • Origin: Femur

  • Insertion: Tibia

  • Action: Knee extension

<ul><li><p><u>Origin:</u>&nbsp;Femur</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Knee extension</p></li></ul><p></p>
66
New cards

Vastus medialis

  • Origin: Femur

  • Insertion: Tibia

  • Action: Knee extension

<ul><li><p><u>Origin:</u>&nbsp;Femur</p></li><li><p><u>Insertion:</u>&nbsp;Tibia</p></li><li><p><u>Action:</u>&nbsp;Knee extension</p></li></ul><p></p>