Actions Flashcards
Deltoid - anterior part
-Flexion at shoulder
-Medial rotation at shoulder
Deltoid - middle part
-Abduction at shoulder
Deltoid - posterior part
-Extension at shoulder
-Lateral rotation at shoulder
Teres major
-Stabilize shoulder
-Adduction at shoulder
-Medial rotation at shoulder
-Extension of humerus from flexed position
Infraspinatus
-Lateral rotation at shoulder
Supraspinatus
-Abduction at shoulder
-Stabilize shoulder
Subscapularis
-Medial rotation at shoulder
-Stabilize shoulder
Teres minor
-Lateral rotation at shoulder
-Stabilize shoulder
Triceps brachii - long head + lateral head + medial head
-Extension at elbow joint
-extension at shoulder joint (long head)
Biceps brachii - long head + short head
-Flexion at shoulder
-Supination of forearm
-Stabilize shoulder and elbow
-Flexion at elbow joint
Coracobrachialis
-Stabilize shoulder
-Flexion at shoulder
-Adduction at shoulder
Brachialis
-Flexion at elbow joint (boss)
Rectus femoris
-Flexion at hip
-Extension at knee
Vastus lateralis
-Extension at knee
Vastus medialis
-Extension at knee
Vastus intermedius
-Extension at knee
Psoas major and Iliacus
Unilateral contraction:
-flexion at hip
-lateral rotation at hip
Bilateral contraction:
-flexion of trunk when thigh is in a fixed position
-posture
Pectineus
-Flexion at hip
-Adduction at hip
-Rotation of femur
Sartorius
-Flexion at hip
-Abduction at hip
-Flexion at knee
-Small medial rotation at knee
Gracilis
-Adduction at hip
-Flexion at knee
-Small medial rotation at knee
Adductor longus
-Adduction at hip
Adductor brevis
-Adduction at hip
Adductor magnus - adductor part
-Flexion at hip
-Adduction at hip
Adductor magnus - hamstring part
-Extension at hip
Obturator externus
-Lateral rotation at hip
-Stabilizes hip joint
Biceps femoris - long head
-Extension at hip
-Flexion at knee
-Lateral rotation of knee
Biceps femoris - short head
-Flexion at knee
Semimembranosus
-Extension at hip
-Flexion at knee
-Small medial rotation of knee
Semitendinosus
-Extension at hip
-Flexion at knee
-Small medial rotation of knee
Pronator teres
-pronation of forearm
-flexion of forearm
Flexor carpi radialis
-flexion of forearm
-flexion of hand
-abduction of hand
Palmaris longus
-flexion of forearm
-flexion of hand
-tenses palmar aponeurosis
Flexor carpi ulnaris
-flexion of forearm
-flexion of hand
-adduction of hand
Flexor digitorum superficilis
-flexion of forearm
-flexion of hand
-flexion at the metacarpal joints of digits 2-5
-flexion at the proximal interphalangeal joints of digits 2-5
Flexor digitorum profundus
-flexion of hand
-flexion of metacarpal joints of digits 2-5
-flexion of proximal interphalangeal joints of digits 2-5
-flexion of distal interphalangeal joints of digits 2-5
Flexor pollicis longus
-flexion of hand
-flexion at metacarpal joint of digit 1
-flexion at interphalangeal joint of digit 1
Pronator quadratus
-Pronation of forearm
-binds ulna and radius
Superior trapezius
-Elevate scapula
-Upwards rotation of scapula
Middle trapezius
-Retract scapula
-Upwards rotation of scapula
Inferior trapezius
-Depress scapula
-Upwards rotation of scapula
-Glenoid cavity moves superiorly
-Inferior angle moves laterally
Latissimus dorsi
-Extension at shoulder
-adduction at shoulder
-medial rotation at shoulder
-lifts body towards arms when humerus is in fixed position
Rhomboid major
-retraction of scapula
-Downward rotation of scapula
-Glenoid cavity moves inferiorly
-Inferior angle moves medially
Rhomboid minor
-Retraction of the scapula
-Downward rotation of scapula
-Glenoid cavity moves inferiorly
-Inferior angle moves medially
Levator scapulae
-Elevation of the scapula
-Downward rotation of scapula (returning scapula to anatomical position)
Serratus posterior superior + inferior
-proprioception
-SPS elevates ribs
-SPI depresses ribs
Iliocostalis + longissimus + spinalis
Bilateral contraction:
-extend vertebral column and head
Unilateral contraction:
-lateral flexion of vertebral column
Semispinalis + Multifidus + Rotatores
-Stabilize vertebral colum
-Proprioception (rotatores)?
Bilateral contraction:
-extend vertebral column (all) and head (semispinalis)
Unilateral contraction:
-contralateral rotation of vertebral column (all) and head (semispinalis)
-Lateral flexion of vertebral column
Interspinales + intertransversarii + levatores costarum
-Stabilize vertebral column
Bilateral contraction:
-Aid in extension of vertebral column (interspinales)
-Elevate ribs during respiration (levatores costarum)
Unilateral contraction:
-Lateral flexion of vertebral column (intertransversarii, levatores costarum)
External oblique + internal oblique + transversus abdonimus
-move trunk
-rotation
-lateral flexion of trunk (EO + IO)
-compresses abdonminal viscera
-maintain or increase intra-abdominal pressure
-elevates diaphragm during expiration
Rectus abdominus
-flexion of trunk (indirectly through lumbar vertebrae)
Levator ani
-Sustained contraction of pelvic diaphragm
-Supports abdominopelvic viscera
-Maintains urinary and fecal continence
Active contraction of pelvic diaphragm:
-primarily increases supports to abdominopelvic viscera during moments of increased intra-abdominal pressure
-secondarily increases intra-abdominal pressure to aid expulsion
Pectoralis major
-Adduction of humerus
-Medial rotation of humerus
-Flexion of humerus
-Extension of humerus from a flexed position
Pectoralis minor
-Stabilize scapula on thoracic wall
-Protraction of scapula: draws scapula anteroinferiorly
Serratus anterior
-Stabilizes scapula against thoracic wall
-Protracts scapula
-Upwards rotation of scapula (inferior angle moves laterally)
Which muscles do flexion of the forearm?
-Pronator teres
-flexor carpi radialis
-palmaris longus
-flexor carpi ulnaris
-flexor digitorum superficialis
-biceps brachii
-brachialis
Which muscles pronate?
-pronator teres
-pronator quadratus
Which muscles supinate?
Biceps brachii
Which muscles do flexion of hand?
-flexor carpi radialis
-palmaris longus
-flexor carpi ulnaris
-flexor digitorum superficialis
-flexor digitorum profundus
-flexor pollicis longus
Which muscles do abduction of the hand?
flexor carpi radialis
which muscles do adduction of the hand?
flexor carpi ulnaris
which muscles do flexion of the metacarpal joints of digits 2-5?
-flexor digitorum superficialis
-flexor digitorum profundus
which muscles do hip adduction?
-pectineus
-gracilis
-adductors (longus, brevis, magnus)
which muscles do hip abduction?
Sartorius
which muscles do medial hip rotation?
none
which muscles do hip flexion?
-iliopsoas
-adductor longus
-pectineus
-rectus femoris
-sartorius
which muscles do hip extension?
-biceps femoris LH
-semitendinosus
-semimembranosus
-adductor magnus
which muscles do lateral hip rotation?
-obturator externus
-iliopsoasi
which muscles do knee flexion?
-sartoris
-gracilis
-semimembranosus
-semitendanosus
-biceps femoris LH + SH
which muscles do knee extension?
quadriceps femoris
which muscles do medial knee rotation?
-sartorius
-gracilis
-semitendinosus
-semimembranosus
which muscles do lateral knee rotation?
-biceps femoris LH + SH
which muscles do lateral shoulder rotation?
-teres minor
-infraspinatus
-posterior deltoid
which muscles do medial shoulder rotation?
-subscapularis
-teres major
-anterior deltoid
-pectoralis major
-lattisimus dorsi
which muscles do shoulder abduction?
-middle deltoid
-supraspinatus
which muscles do shoulder adduction?
-teres major
-coracobrachialis
-lattisimus dorsi
-pectoralis major
which muscles do shoulder extension?
-posterior deltoid
-triceps brachii long head
-teres major
-lattisimus dorsi
which muscles do shoulder flexion?
-biceps brachii
-anterior deltoid
-coracobrachialis
-pectoralis major
which muscles do elbow extension?
-triceps brachii
which muscles do spine flexion?
-external oblique
-internal oblique
-rectus abdominis
which muscles do spine extension?
-longissimus
-ilicostalis
-spinalis
-semispinalis
-splenius
which muscles do lateral spine flexion?
-splenius
-longissimus
-iliocostalis
-spinalis
-lattisimus dorsi
-mutifidus
-rotatores
-semispinales
-intertransversarii
-lavatores costarum
-external oblique
-internal oblique
which muscles do scapula elevation?
-trapezius (superior fibres)
-levator scapulae
which muscles do scapula depression?
-trapezius (inferior fibres)
which muscles do scapula adduction?
-trapezius (middle fibres)
-rhomboid major and minor
which muscles do scapula abduction?
-serratus anterior
which muscles do upwards scapula rotation?
-trapezius
-serratus anterior
which muscles do downwards scapula rotation?
-levator scapulae
-rhomboid major and minor