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Which muscles and nerves are responsible for supination?
- Biceps brachii (musculocuateos nerve)
- Supinator muscle (deep branch of radial nerve)
In which compartment is the DPN? And what web space innervates?
Anterior compartment and innervates the 1st dorsal web space.
Injury to the long thoracic nerve will cause what?
Medial winging of the scapula.
Popliteal entrapment syndrome
- Related to intensity of workout.
- Resolves quickly after exercise.
- Foot pulses decreased w/plantar or dorsiflexion
- Sensation to lateral foot
- Achilles reflex
- Plantar flexion of great toe
Commotio cordis - at what point does the impact occur?
- 10-30 milliseconds before the T wave peak.
- Age appropriate safety balls reduce the risk (used in leagues of 13 yo and younger.)
Contraindications to hyaluronic acid supplementation?
Pregnancy, joint infection, bacteremia, nursing, pediatric patients, protein allergy.
Which sports can an athlete with sickle cell disease can play?
All but high exertion, collision, and contact sports.
Cryo and heat
Can both decrease muscle spasm.
Medial third clavicle fractures, when are they surgical?
Female, comminution, displacement, shortening, older age and greater levels of trauma.
Anteror tibialis, origin and insertion:
- Origin: anterolateral tibia and interoseous membrane.
- Insertion: Medial cuneiform and base of 1st metatarsal.
Type I fibers are more efficient at?
Using oxygen -->ATP. Storage fuel is triglycerides.
Anterior spinal cord of the neck causes what?
- Bilateral LE paralysis > UE paralysis. Bilateral loss of pain and temp.
- Vibration and propioception are intact.
Obturator nerve entrapment:
- Groin pain, radiates to medial thigh.
- Paresthesias medial thigh.
- Weak hip adductors and pain w/hip addcutor stretching.
Blunt mechanism of injury to the carotids:
- Direct trauma
- Laceration by adjacent bones (sphenoid or petrous bones)
What structures form the femoral triangle?
- Inguinal ligament
- Medial border of the adductor longus
- Medial border of the sartorious
Most common sports with urinary incontinence?
- Field hockey
- Fusion of cervical vertebrae w/hypermobility at unfused levels.
- I Single fused segment
- II Multiple noncontiguous fused segments
- III Multiple contiguous fused segments
- Decreased ability to extend the wrist
- PIN is purely motor
Adjust the length of muscle spindles so that sensitivity to stretch can be maintained over a wide range.
Sholder abductor innervation?
- Supraspinatus: suprascapular
- Deltoid: axillary
Muscles at the medial epicondyle:
- Pronator teres
- Flexor carpi radialis
- Palmaris longus
Position of ankle during dislocation
- Maximal plantar flexion
- Axial load with forced inversion
- Fracture of proximal ulna with radial head dislocation.
- FOOSH with forced pronation.
- Y shaped at the base of 1st metacarpal
- Fx of middle or distal third of radius
- Subluxation of distal ulna