Charak Samhita
युद्धाध्ययनभाराध्वलङ्घनप्लवनादिभिः। पतनैरभिघातैर्वा साहसैर्वा तथाऽपरैः ॥१४॥
॥ 1. Sahasaja rajayakshma (due to over exertion beyond one’s capacity)॥ When beyond one’s capacity, a person indulges in excess battle, reading, weight-lifting, walking, jumping, swimming etc. or falls down - or gets injured -or exerts himself in any action that is beyond his strength or tolerance, leads to chest injury and , vitiates vata dosha.
english translation
yuddhAdhyayanabhArAdhvalaGghanaplavanAdibhiH। patanairabhighAtairvA sAhasairvA tathA'paraiH ॥14॥
hk transliteration by Sanscript