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Muscle Actions

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royepabu's version from 2017-10-11 01:24

Section 1

Question Answer
Which muscles rotate, laterally flexes the cervical spine and elevates the 1st and 2nd rib?Scalenes
Which muscles are responsible for elevation of the mandble?Masseter and temporalis
memorize

Section 2

Question Answer
Which muscle is responsible for flexion of the trunk and stabilizing the pelvis during walking?Rectus Abdominus
Which muscles are responsible for flexion, rotation, and lateral flexion of the trunk?External &Internal Abdominal Obliques & Erector Spinae
Which muscles are responsible for trunk rotation?Transverse Abdominus
Which muscles elevate and depress the ribs?Intercostal muscles
memorize

Section 3

Question Answer
Which muscles elevate the scapula?Trapezius and Levator Scapulae
Which muscles protract the scapula? (Prevents "winging")Serratus Anterior and Pec Minor
Which muscles retract the scapula? (Military position)Rhomboids (Major and Minor)
memorize

Section 4

Question Answer
Which muscle is responsible for abduction, flexion, and extension of the humerus?Deltoid
Which muscle is responsible for flexion and adduction of the humerus?Pec Major
Which muscle is responsible for extension of the humerus and some internal rotation?Latissimus Dorsi
Which muscle of the Rotator cuff initiates the first 15ยบ of abduction of the humerus?Supraspinatus
Which muscles of the Rotator Cuff are responsible for external rotation of the humerus?Infraspinatus and Teres Minor
Which muscles of the Rotator Cuff are responsible for interanl rotation of the humerus?Teres Major and Subscapularis
memorize

Section 5

Question Answer
Which muscles are responsible for flexion of the elbow, supination of the wrist? Which flexes the shoulder?Biceps Brachii (long head- flexion of shoulder)
Which muscle is responsible for flexion of elbow?Brachialis
Which muscle is responsible for flexion of the elbow in semi-proantion?Brachioradialis
Which muscle is responsible for extension of the elbow? Extension of the shoulder?Triceps Brachii,(Triceps (long head)
memorize

Section 6

Question Answer
Which muscles are responsible for flexion of the hip?Iliopsoas
Which muscle group is responsible for adduction of the hip?Adductor group
Which muscle is responsible for extension of the hip?Gluteus Maximus and Piriformis
Which muscles are responsible for abduction of the hip? Which is also responsible for internal rotation of the hip?Gluteus Minimus and , Medius- Minimus
memorize

Section 7

Question Answer
Which muscle is responsible for flexion, external rotation of hip, and flexion of knee?Sartorius
Which muscles are responsible for extension of the knee?Quadriceps (Rectus Femoris, Vastus Lateralis, Medialis, Intermedialis)
Which muscle of the quadriceps is responsible for flexion of the hip?Rectus Femoris
Which muscles are responsible for flexion of the knee and extension of the hip?Hamstrings
memorize

Section 8

Question Answer
Which muscles are responsible for plantarflexion?Gastrocnemius, Soleus
Which muscle is responsible for Dorsiflexion and inversion of the foot?Tibialis Anterior
Which muscles are responsible for eversion of the foot?Peroneal brevis and longus
memorize