Muscles OINA
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Gluteus Maximus | O- Dorsal ilium, sacrum & coccyxI- gluteal tuberosity of femur
I- gluteal tuberosity of femur
N- Inferior gluteal nerve
A- powerful thigh extender
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| Biceps Brachii | O-coracoid process, supraglenoid tubercle
I- radial tuberosity
N- musculocutaneous nerve
A- forearm flexor
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| Triceps Brachii | O-infraglenoid tubercle of scapula , posterior humeral shaft
I- olecranon process of ulna
N- radial nerve
A- forearm extension
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| Pectoralis Major | O-medial 1/3 of clavicle
I- later lip of bicipital groove to crest of the greater tubercle
N- Lateral & median pectoral nerves
A- arm flexion, rotates arm medially
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| Deltoid | O- lateral 1/3 of clavicle, acromion & spine of scapula
I- deltoid tuberosity
N- axillary nerve
A- arm abduction
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| Gastrocnemius | A- plantar flexes foot (raise up on toes)
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| Iliopsoas | A- primary hip and trunk flexor
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| Teres Minor | A- arm adductor
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| Orbicularis Oculi | O-frontal bone
I- tissues of eyelid
A- closes eyelids
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| Erector Spinae | A- Prime muscles for back extension
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| Intercostals | A- accessory muscle to respiration
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| Rhomboid Major | O-c7-t1
I-medial border of scapula
A-retract scapula "standing up straight"
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| Biceps Femoris | O-ischial tuberosity
I-head of fibula & lateral condyle of tibia
A-thigh extension & knee flexion
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| Rectus femoris | O-ASIS
I-petella, quadriceps tendon and tibial tuberosity
A- hip flexor & knee extension
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| Diaphragm | O-inferior surface of ribcage
I-central tendon
A-primary muscle of respiration
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| Rectus abdominis | O-pubic symphysis
I- xiphoid process and costal cartilage
A-flex lumbar spine
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| Orbicularis Oris | O-indirectly from maxilla and mandible
I-encircles mouth
A-puckers Lips
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| Temporalis | O- temporal fossa
I-coronoid process of mandible
A-closes jaw
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| Trapezius | O-occipital Bone, vertebra of cervical and thoracic
I- acromion, spine of scapula & lateral 1/3 of clavicle
N- spinal accessory nerve (CNXI)
A-extends head and raises scapula "shrugging shoulders"
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| Sternocleidomastoid | O-manubrium &medial portion of clavicle
I-Mastoid process
N-spinal accessory (CNXI)
A-flex head forward,
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| Gracilis | A-adducts thigh
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| Sartorius | A- flexes, abducts &laterally rotates thigh
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| Tensor Fasciae Latae | A- thigh abduction
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| Tibialis anterior | Dorsiflexion of the foot
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| Latissimus Dorsi | A- arm extension & adductor
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| soleus | A- Planter flexes foot and raise up on toes while seated
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