OP Flashcards
MMT: Deltoids
Sitting.
Arm abducted to 90°, flexed at elbow (lat raise position).
For middle fibres push straight down.
Anterior fibres: position arm forward and slightly external rotated. Force applied against anteromedial surface, to adduction and slight extension
Posterior fibres: position arm in slight extension, and medial rotation. Force applied against posteriolateral arm; to adduction and slight flexion.
Deltoid
Anterior fibres originate at clavicle
Middle fibres originate at acromion process
Posterior fibres originate at spine of scapula.
All insert at deltoid tuberosity.
Actions: all abduct
Anterior fibres: flex, IR (when supine)
Posterior fibres: extend, ER (when prone)
Nerve: axillary
Artery:
Supraspinatus
Origin: supraspinous fossa of Scap
Insertion: greater tubercle.
Action: abduction and lateral rotation
Nerve: suprascapular
MMT: supraspinatus
Arm abducted to 90°, elbow flexed (lag raise position). Neck extended and laterally flexed, face turned to opposite side. Arm a little forward with slight ER.
Push down.
Biceps brachii
Origin of short head: coracoid process
Origin of long head: supraglenoid tubercle
Insertion: radial tuberosity and lacertus fibrosis
Action: elbow flexion, shoulder flexion
Nerve: musculocutaneous.
MMT: biceps brachii
Cushion elbow.
Place elbow in flexion, slightly less than right angle. Resist extension.
Triceps brachii
Origin of long head: infraglenoid tubercle
Origin of lateral head: lateral and posterior surface of prox humerus.
Origin of medial head: distal 2/3 of humerus.
Insertion: Olecranon process
Action: elbow extension
Nerve: radial
MMT: triceps
Supine
Arm flexed right above shoulder.
Resist flexion.
Brachioradialis
Origin: lateral supracondylar ridge
Insertion: lateral side of styloid process of radius
Action: elbow flexion when arm in neutral pronation.
Nerve: radial
MMT: brachioradialis
Supine or seated
Semi-supinated, elbow flexed, elbow cushioned.
Resist extension.
Flexor carpi ulnaris
Origin of humeral head: CFT from medial epicondyle
Origin of ulnar head: medial Olecranon
Insertion: pisiform, hamate and MC5
Actions: flexion and ulnar deviation of wrist
Nerve: ulnar
MMT: FCU
Sitting or supine.
Forearm supinated, supported. Wrist flexed toward ulnar side. Resist extension and radial devation.
Abductor Pollicis Longus
Origin: posterior ulna distal to supinator; interosseous membrane; posterior middle 1/3 radius.
Insertion: base of MC1, radial side.
Action: abducts and extends CMC of thumb
MMT: APL
Sitting or supine
Wrist stabilized. Semi-supinated. Thumb abducted and extended.
Resist addiction and flexion against MC1 and wrist.
Pectoral Major
Origin (upper fibres): clavicle
Origin (lower fibres): sternum
Insertion: Greater tubercle
Action: adduction, IR, flexion
Nerve: medial and lateral pectoral
MMT: Pec Major
Supine.
Upper fibres: arm up, resist horizontal abduction
Lower fibres: arm diagonal toward opposite hip. Hold opposite hip down. Resist pull.
Quadratus Lumborum
Origin: iliac crest, Iliolumbar ligament
Insertion: inferior border of last run and TVP of L1-4.
Action: extension, hip hike/lateral flexion, depressing R12.
MMT: QL
Prone.
Leg slightly adducted. Pull against QL line of pull. Resist
- no numerical score *.
Rectus femoris
Origin: AIIS, superior to brim of acetabulum.
Insertion: tibial tuberosity
Action: knee extension, hip flexion.
Nerve: femoral
MMT: Quads
Seated. Resisted knee flexion.
Vastus lateralis
Origin: Linea aspera
Insertion: tibial tuberosity
Action: knee extension
Nerve: femoral
Biceps femoris
Origin of long head: Ischial tuberosity
Origin of short head: Linea aspera
Insertion: head of fibula, lateral tibial condyle
Action: knee flexion
Nerve: sciatic
MMT: biceps femoris
Prone. Knee flexed, leg in slight ER (foot in). Resist extension.
Gastrocnemeus
Origin: medial and lateral femoral condyles
Insertion: Achilles’ tendon
Action: plantar flexion, some knee flexion
Nerve: tibial
MMT: gastrocnemius
Single leg triple extension. Push down on shoulder.
Soleus
Origin: soleal line of the tibia and head and proximal third of fibula.
Insertion: Achilles’ tendon.
Action: plantarflexion
Nerve: tibial
MMT: soleus
Prone
Knee flexed, foot flexed. Resist plantarflexion.
Tibialis anterior
Origin: lateral tibial condyle, prox 2/3 anterior tibia, prox 2/3 interosseus membrane.
Insertion: First cuneiform and first Metatarsal
Action: dorsiflexion, inversion
Nerve: deep fibular
MMT: Tibialis anterior
Dorsiflex and invert, without extending big toe. Resist plantarflexion and eversion.
Fibularis Tertius
Origin: distal 1/3 ant fibula and interosseus membrane
Insertion: fifth metatarsal
Action: dorsiflexion, eversion
Nerve: deep Fibular
MMT: Fibularis Tertius
Seated. Support ankle.
Dorsiflex and evert. Resist plantarflexion and inversion.
Extensor hallucis longus
Origin: middle anterior fibula
Insertion: dorsal surface of big toe (distal phalanx)
Action: extend big toe at MTP and PIP; dorsiflexion.
Nerve: deep fibular.
MMT: EHL
Stabilize foot in slight plantar flexion.
Extend big toe.
Resist flexion at distal and proximal phalanges.
Rectus abdominus
Origin: crest and symphysis of pubis
Insertion: xiphoid process and cartilage of r5-7
Action: trunk flexion, lateral flexion
Nerve: intercostal
MMT: Rectus abdominus
Upper: sit up. May stabilize legs. Normal: hands behind head. Good: arms crossed. Fair: zombie arms.
Lower: supine double leg drop. Fair 60-90°. Good 60-30°. Normal: 30-0°
Infraspinatus
Origin: infraspinous fossa
Insertion: greater tubercle (middle facet)
Action: lateral rotation
Nerve: suprascapular
MMT: infrascapular
Prone.
Stick ‘em up cactus arm. Place hand between humerus and table. Resist medial rotation.
Psoas
Origin: anterolateral surface of (and IVDs between) T12-L5. TVPs of L1-5.
Insertion: lesser trochanter.
Action: hip flexion; PPT; lateral rotation of thing
Nerve: lumbar plexus
MMT: Psoas
Supine
Leg lifted, slight abduction and ER. Opposite iliac crest stabilized.
Resist extension and slight abduction.
